78974735

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{1153}}^1$

素因数の和:1287

約数の個数: 32

約数和(自身を含む): 115215360

約数和(自身を除く): 36240625

約数列:

[1, 5, 7, 19, 35, 95, 103, 133, 515, 665, 721, 1153, 1957, 3605, 5765, 8071, 9785, 13699, 21907, 40355, 68495, 109535, 118759, 153349, 593795, 766745, 831313, 2256421, 4156565, 11282105, 15794947, 78974735]

約数ペア:

[(1, 78974735), (5, 15794947), (7, 11282105), (19, 4156565), (35, 2256421), (95, 831313), (103, 766745), (133, 593795), (515, 153349), (665, 118759), (721, 109535), (1153, 68495), (1957, 40355), (3605, 21907), (5765, 13699), (8071, 9785)]