81774329

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{163}}^1$

素因数の和:369

約数の個数: 32

約数和(自身を含む): 104697600

約数和(自身を除く): 22923271

約数列:

[1, 7, 13, 37, 91, 149, 163, 259, 481, 1043, 1141, 1937, 2119, 3367, 5513, 6031, 13559, 14833, 24287, 38591, 42217, 71669, 78403, 170009, 315731, 501683, 548821, 898619, 2210117, 6290333, 11682047, 81774329]

約数ペア:

[(1, 81774329), (7, 11682047), (13, 6290333), (37, 2210117), (91, 898619), (149, 548821), (163, 501683), (259, 315731), (481, 170009), (1043, 78403), (1141, 71669), (1937, 42217), (2119, 38591), (3367, 24287), (5513, 14833), (6031, 13559)]