201622915

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{179}}^1$

素因数の和:284

約数の個数: 48

約数和(自身を含む): 278277120

約数和(自身を除く): 76654205

約数列:

[1, 5, 13, 31, 43, 65, 155, 169, 179, 215, 403, 559, 845, 895, 1333, 2015, 2327, 2795, 5239, 5549, 6665, 7267, 7697, 11635, 17329, 26195, 27745, 30251, 36335, 38485, 72137, 86645, 100061, 151255, 225277, 238607, 360685, 500305, 937781, 1126385, 1193035, 1300793, 3101891, 4688905, 6503965, 15509455, 40324583, 201622915]

約数ペア:

[(1, 201622915), (5, 40324583), (13, 15509455), (31, 6503965), (43, 4688905), (65, 3101891), (155, 1300793), (169, 1193035), (179, 1126385), (215, 937781), (403, 500305), (559, 360685), (845, 238607), (895, 225277), (1333, 151255), (2015, 100061), (2327, 86645), (2795, 72137), (5239, 38485), (5549, 36335), (6665, 30251), (7267, 27745), (7697, 26195), (11635, 17329)]