648545486525

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{43}}^2\times {\mathrm{227}}^1\times {\mathrm{3253}}^1$

素因数の和:3595

約数の個数: 72

約数和(自身を含む): 870752437920

約数和(自身を除く): 222206951395

約数列:

[1, 5, 19, 25, 43, 95, 215, 227, 475, 817, 1075, 1135, 1849, 3253, 4085, 4313, 5675, 9245, 9761, 16265, 20425, 21565, 35131, 46225, 48805, 61807, 81325, 107825, 139879, 175655, 185459, 244025, 309035, 419723, 699395, 738431, 878275, 927295, 1545175, 2098615, 2657701, 3496975, 3692155, 4636475, 6014797, 7974737, 10493075, 13288505, 14030189, 18460775, 30073985, 31752533, 39873685, 66442525, 70150945, 114281143, 150369925, 158762665, 199368425, 350754725, 571405715, 603298127, 793813325, 1365358919, 2857028575, 3016490635, 6826794595, 15082453175, 25941819461, 34133972975, 129709097305, 648545486525]

約数ペア:

[(1, 648545486525), (5, 129709097305), (19, 34133972975), (25, 25941819461), (43, 15082453175), (95, 6826794595), (215, 3016490635), (227, 2857028575), (475, 1365358919), (817, 793813325), (1075, 603298127), (1135, 571405715), (1849, 350754725), (3253, 199368425), (4085, 158762665), (4313, 150369925), (5675, 114281143), (9245, 70150945), (9761, 66442525), (16265, 39873685), (20425, 31752533), (21565, 30073985), (35131, 18460775), (46225, 14030189), (48805, 13288505), (61807, 10493075), (81325, 7974737), (107825, 6014797), (139879, 4636475), (175655, 3692155), (185459, 3496975), (244025, 2657701), (309035, 2098615), (419723, 1545175), (699395, 927295), (738431, 878275)]