128012005

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{103}}^1\times {\mathrm{383}}^1$

素因数の和:561

約数の個数: 32

約数和(自身を含む): 172523520

約数和(自身を除く): 44511515

約数列:

[1, 5, 11, 55, 59, 103, 295, 383, 515, 649, 1133, 1915, 3245, 4213, 5665, 6077, 21065, 22597, 30385, 39449, 66847, 112985, 197245, 248567, 334235, 433939, 1242835, 2169695, 2327491, 11637455, 25602401, 128012005]

約数ペア:

[(1, 128012005), (5, 25602401), (11, 11637455), (55, 2327491), (59, 2169695), (103, 1242835), (295, 433939), (383, 334235), (515, 248567), (649, 197245), (1133, 112985), (1915, 66847), (3245, 39449), (4213, 30385), (5665, 22597), (6077, 21065)]