7901471825

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{9721}}^1$

素因数の和:9846

約数の個数: 48

約数和(自身を含む): 10987182192

約数和(自身を除く): 3085710367

約数列:

[1, 5, 13, 25, 41, 61, 65, 205, 305, 325, 533, 793, 1025, 1525, 2501, 2665, 3965, 9721, 12505, 13325, 19825, 32513, 48605, 62525, 126373, 162565, 243025, 398561, 592981, 631865, 812825, 1992805, 2964905, 3159325, 5181293, 7708753, 9964025, 14824525, 24312221, 25906465, 38543765, 121561105, 129532325, 192718825, 316058873, 607805525, 1580294365, 7901471825]

約数ペア:

[(1, 7901471825), (5, 1580294365), (13, 607805525), (25, 316058873), (41, 192718825), (61, 129532325), (65, 121561105), (205, 38543765), (305, 25906465), (325, 24312221), (533, 14824525), (793, 9964025), (1025, 7708753), (1525, 5181293), (2501, 3159325), (2665, 2964905), (3965, 1992805), (9721, 812825), (12505, 631865), (13325, 592981), (19825, 398561), (32513, 243025), (48605, 162565), (62525, 126373)]