28295655375

素因数分解:

$3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{647}}^1\times {\mathrm{8971}}^1$

素因数の和:9649

約数の個数: 64

約数和(自身を含む): 50789846016

約数和(自身を除く): 22494190641

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 125, 195, 325, 375, 647, 975, 1625, 1941, 3235, 4875, 8411, 8971, 9705, 16175, 25233, 26913, 42055, 44855, 48525, 80875, 116623, 126165, 134565, 210275, 224275, 242625, 349869, 583115, 630825, 672825, 1051375, 1121375, 1749345, 2915575, 3154125, 3364125, 5804237, 8746725, 14577875, 17412711, 29021185, 43733625, 75455081, 87063555, 145105925, 226365243, 377275405, 435317775, 725529625, 1131826215, 1886377025, 2176588875, 5659131075, 9431885125, 28295655375]

約数ペア:

[(1, 28295655375), (3, 9431885125), (5, 5659131075), (13, 2176588875), (15, 1886377025), (25, 1131826215), (39, 725529625), (65, 435317775), (75, 377275405), (125, 226365243), (195, 145105925), (325, 87063555), (375, 75455081), (647, 43733625), (975, 29021185), (1625, 17412711), (1941, 14577875), (3235, 8746725), (4875, 5804237), (8411, 3364125), (8971, 3154125), (9705, 2915575), (16175, 1749345), (25233, 1121375), (26913, 1051375), (42055, 672825), (44855, 630825), (48525, 583115), (80875, 349869), (116623, 242625), (126165, 224275), (134565, 210275)]