78890385

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{113}}^1$

素因数の和:298

約数の個数: 64

約数和(自身を含む): 149276160

約数和(自身を除く): 70385775

約数列:

[1, 3, 5, 7, 15, 21, 35, 61, 105, 109, 113, 183, 305, 327, 339, 427, 545, 565, 763, 791, 915, 1281, 1635, 1695, 2135, 2289, 2373, 3815, 3955, 6405, 6649, 6893, 11445, 11865, 12317, 19947, 20679, 33245, 34465, 36951, 46543, 48251, 61585, 86219, 99735, 103395, 139629, 144753, 184755, 232715, 241255, 258657, 431095, 698145, 723765, 751337, 1293285, 2254011, 3756685, 5259359, 11270055, 15778077, 26296795, 78890385]

約数ペア:

[(1, 78890385), (3, 26296795), (5, 15778077), (7, 11270055), (15, 5259359), (21, 3756685), (35, 2254011), (61, 1293285), (105, 751337), (109, 723765), (113, 698145), (183, 431095), (305, 258657), (327, 241255), (339, 232715), (427, 184755), (545, 144753), (565, 139629), (763, 103395), (791, 99735), (915, 86219), (1281, 61585), (1635, 48251), (1695, 46543), (2135, 36951), (2289, 34465), (2373, 33245), (3815, 20679), (3955, 19947), (6405, 12317), (6649, 11865), (6893, 11445)]