239810324

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{18671}}^1$

素因数の和:18720

約数の個数: 36

約数和(自身を含む): 478376640

約数和(自身を除く): 238566316

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 169, 247, 338, 494, 676, 988, 3211, 6422, 12844, 18671, 37342, 74684, 242723, 354749, 485446, 709498, 970892, 1418996, 3155399, 4611737, 6310798, 9223474, 12621596, 18446948, 59952581, 119905162, 239810324]

約数ペア:

[(1, 239810324), (2, 119905162), (4, 59952581), (13, 18446948), (19, 12621596), (26, 9223474), (38, 6310798), (52, 4611737), (76, 3155399), (169, 1418996), (247, 970892), (338, 709498), (494, 485446), (676, 354749), (988, 242723), (3211, 74684), (6422, 37342), (12844, 18671)]