203922719

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{1487}}^1$

素因数の和:1655

約数の個数: 32

約数和(自身を含む): 275982336

約数和(自身を除く): 72059617

約数列:

[1, 7, 11, 13, 77, 91, 137, 143, 959, 1001, 1487, 1507, 1781, 10409, 10549, 12467, 16357, 19331, 19591, 114499, 135317, 137137, 203719, 212641, 1426033, 1488487, 2240909, 2648347, 15686363, 18538429, 29131817, 203922719]

約数ペア:

[(1, 203922719), (7, 29131817), (11, 18538429), (13, 15686363), (77, 2648347), (91, 2240909), (137, 1488487), (143, 1426033), (959, 212641), (1001, 203719), (1487, 137137), (1507, 135317), (1781, 114499), (10409, 19591), (10549, 19331), (12467, 16357)]