205768431375

素因数分解:

$3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{9661}}^1$

素因数の和:9966

約数の個数: 128

約数和(自身を含む): 391987185408

約数和(自身を除く): 186218754033

約数列:

[1, 3, 5, 13, 15, 17, 25, 39, 51, 65, 75, 85, 125, 195, 221, 255, 257, 325, 375, 425, 663, 771, 975, 1105, 1275, 1285, 1625, 2125, 3315, 3341, 3855, 4369, 4875, 5525, 6375, 6425, 9661, 10023, 13107, 16575, 16705, 19275, 21845, 27625, 28983, 32125, 48305, 50115, 56797, 65535, 82875, 83525, 96375, 109225, 125593, 144915, 164237, 170391, 241525, 250575, 283985, 327675, 376779, 417625, 492711, 546125, 627965, 724575, 821185, 851955, 1207625, 1252875, 1419925, 1638375, 1883895, 2135081, 2463555, 2482877, 3139825, 3622875, 4105925, 4259775, 6405243, 7099625, 7448631, 9419475, 10675405, 12317775, 12414385, 15699125, 20529625, 21298875, 32026215, 32277401, 37243155, 42208909, 47097375, 53377025, 61588875, 62071925, 96832203, 126626727, 160131075, 161387005, 186215775, 211044545, 266885125, 310359625, 484161015, 548715817, 633133635, 800655375, 806935025, 931078875, 1055222725, 1646147451, 2420805075, 2743579085, 3165668175, 4034675125, 5276113625, 8230737255, 12104025375, 13717895425, 15828340875, 41153686275, 68589477125, 205768431375]

約数ペア:

[(1, 205768431375), (3, 68589477125), (5, 41153686275), (13, 15828340875), (15, 13717895425), (17, 12104025375), (25, 8230737255), (39, 5276113625), (51, 4034675125), (65, 3165668175), (75, 2743579085), (85, 2420805075), (125, 1646147451), (195, 1055222725), (221, 931078875), (255, 806935025), (257, 800655375), (325, 633133635), (375, 548715817), (425, 484161015), (663, 310359625), (771, 266885125), (975, 211044545), (1105, 186215775), (1275, 161387005), (1285, 160131075), (1625, 126626727), (2125, 96832203), (3315, 62071925), (3341, 61588875), (3855, 53377025), (4369, 47097375), (4875, 42208909), (5525, 37243155), (6375, 32277401), (6425, 32026215), (9661, 21298875), (10023, 20529625), (13107, 15699125), (16575, 12414385), (16705, 12317775), (19275, 10675405), (21845, 9419475), (27625, 7448631), (28983, 7099625), (32125, 6405243), (48305, 4259775), (50115, 4105925), (56797, 3622875), (65535, 3139825), (82875, 2482877), (83525, 2463555), (96375, 2135081), (109225, 1883895), (125593, 1638375), (144915, 1419925), (164237, 1252875), (170391, 1207625), (241525, 851955), (250575, 821185), (283985, 724575), (327675, 627965), (376779, 546125), (417625, 492711)]