289779568

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{3457}}^1$

素因数の和:3522

約数の個数: 60

約数和(自身を含む): 627751488

約数和(自身を除く): 337971920

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 169, 208, 248, 338, 403, 496, 676, 806, 1352, 1612, 2704, 3224, 3457, 5239, 6448, 6914, 10478, 13828, 20956, 27656, 41912, 44941, 55312, 83824, 89882, 107167, 179764, 214334, 359528, 428668, 584233, 719056, 857336, 1168466, 1393171, 1714672, 2336932, 2786342, 4673864, 5572684, 9347728, 11145368, 18111223, 22290736, 36222446, 72444892, 144889784, 289779568]

約数ペア:

[(1, 289779568), (2, 144889784), (4, 72444892), (8, 36222446), (13, 22290736), (16, 18111223), (26, 11145368), (31, 9347728), (52, 5572684), (62, 4673864), (104, 2786342), (124, 2336932), (169, 1714672), (208, 1393171), (248, 1168466), (338, 857336), (403, 719056), (496, 584233), (676, 428668), (806, 359528), (1352, 214334), (1612, 179764), (2704, 107167), (3224, 89882), (3457, 83824), (5239, 55312), (6448, 44941), (6914, 41912), (10478, 27656), (13828, 20956)]