253558145

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{2347}}^1$

素因数の和:2441

約数の個数: 32

約数和(自身を含む): 340816896

約数和(自身を除く): 87258751

約数列:

[1, 5, 17, 31, 41, 85, 155, 205, 527, 697, 1271, 2347, 2635, 3485, 6355, 11735, 21607, 39899, 72757, 96227, 108035, 199495, 363785, 481135, 1236869, 1635859, 2983037, 6184345, 8179295, 14915185, 50711629, 253558145]

約数ペア:

[(1, 253558145), (5, 50711629), (17, 14915185), (31, 8179295), (41, 6184345), (85, 2983037), (155, 1635859), (205, 1236869), (527, 481135), (697, 363785), (1271, 199495), (2347, 108035), (2635, 96227), (3485, 72757), (6355, 39899), (11735, 21607)]