401991284

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1\times {\mathrm{577}}^1$

素因数の和:792

約数の個数: 48

約数和(自身を含む): 757411200

約数和(自身を除く): 355419916

約数列:

[1, 2, 4, 19, 38, 76, 89, 103, 178, 206, 356, 412, 577, 1154, 1691, 1957, 2308, 3382, 3914, 6764, 7828, 9167, 10963, 18334, 21926, 36668, 43852, 51353, 59431, 102706, 118862, 174173, 205412, 237724, 348346, 696692, 975707, 1129189, 1951414, 2258378, 3902828, 4516756, 5289359, 10578718, 21157436, 100497821, 200995642, 401991284]

約数ペア:

[(1, 401991284), (2, 200995642), (4, 100497821), (19, 21157436), (38, 10578718), (76, 5289359), (89, 4516756), (103, 3902828), (178, 2258378), (206, 1951414), (356, 1129189), (412, 975707), (577, 696692), (1154, 348346), (1691, 237724), (1957, 205412), (2308, 174173), (3382, 118862), (3914, 102706), (6764, 59431), (7828, 51353), (9167, 43852), (10963, 36668), (18334, 21926)]