29920306

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{487}}^1$

素因数の和:658

約数の個数: 32

約数和(自身を含む): 51649920

約数和(自身を除く): 21729614

約数列:

[1, 2, 13, 17, 26, 34, 139, 221, 278, 442, 487, 974, 1807, 2363, 3614, 4726, 6331, 8279, 12662, 16558, 30719, 61438, 67693, 107627, 135386, 215254, 880009, 1150781, 1760018, 2301562, 14960153, 29920306]

約数ペア:

[(1, 29920306), (2, 14960153), (13, 2301562), (17, 1760018), (26, 1150781), (34, 880009), (139, 215254), (221, 135386), (278, 107627), (442, 67693), (487, 61438), (974, 30719), (1807, 16558), (2363, 12662), (3614, 8279), (4726, 6331)]