89491675

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{283}}^1$

素因数の和:452

約数の個数: 48

約数和(自身を含む): 138046720

約数和(自身を除く): 48555045

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 139, 175, 283, 325, 455, 695, 973, 1415, 1807, 1981, 2275, 3475, 3679, 4865, 7075, 9035, 9905, 12649, 18395, 24325, 25753, 39337, 45175, 49525, 63245, 91975, 128765, 196685, 275359, 316225, 511381, 643825, 983425, 1376795, 2556905, 3579667, 6883975, 12784525, 17898335, 89491675]

約数ペア:

[(1, 89491675), (5, 17898335), (7, 12784525), (13, 6883975), (25, 3579667), (35, 2556905), (65, 1376795), (91, 983425), (139, 643825), (175, 511381), (283, 316225), (325, 275359), (455, 196685), (695, 128765), (973, 91975), (1415, 63245), (1807, 49525), (1981, 45175), (2275, 39337), (3475, 25753), (3679, 24325), (4865, 18395), (7075, 12649), (9035, 9905)]