156794365

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2591}}^1$

素因数の和:2642

約数の個数: 48

約数和(自身を含む): 248209920

約数和(自身を除く): 91415555

約数列:

[1, 5, 7, 13, 19, 35, 49, 65, 91, 95, 133, 245, 247, 455, 637, 665, 931, 1235, 1729, 2591, 3185, 4655, 8645, 12103, 12955, 18137, 33683, 49229, 60515, 90685, 126959, 168415, 235781, 246145, 344603, 634795, 639977, 1178905, 1650467, 1723015, 2412221, 3199885, 4479839, 8252335, 12061105, 22399195, 31358873, 156794365]

約数ペア:

[(1, 156794365), (5, 31358873), (7, 22399195), (13, 12061105), (19, 8252335), (35, 4479839), (49, 3199885), (65, 2412221), (91, 1723015), (95, 1650467), (133, 1178905), (245, 639977), (247, 634795), (455, 344603), (637, 246145), (665, 235781), (931, 168415), (1235, 126959), (1729, 90685), (2591, 60515), (3185, 49229), (4655, 33683), (8645, 18137), (12103, 12955)]