399661314

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{479}}^1\times {\mathrm{563}}^1$

素因数の和:1079

約数の個数: 64

約数和(自身を含む): 909619200

約数和(自身を除く): 509957886

約数列:

[1, 2, 3, 6, 13, 19, 26, 38, 39, 57, 78, 114, 247, 479, 494, 563, 741, 958, 1126, 1437, 1482, 1689, 2874, 3378, 6227, 7319, 9101, 10697, 12454, 14638, 18202, 18681, 21394, 21957, 27303, 32091, 37362, 43914, 54606, 64182, 118313, 139061, 236626, 269677, 278122, 354939, 417183, 539354, 709878, 809031, 834366, 1618062, 3505801, 5123863, 7011602, 10247726, 10517403, 15371589, 21034806, 30743178, 66610219, 133220438, 199830657, 399661314]

約数ペア:

[(1, 399661314), (2, 199830657), (3, 133220438), (6, 66610219), (13, 30743178), (19, 21034806), (26, 15371589), (38, 10517403), (39, 10247726), (57, 7011602), (78, 5123863), (114, 3505801), (247, 1618062), (479, 834366), (494, 809031), (563, 709878), (741, 539354), (958, 417183), (1126, 354939), (1437, 278122), (1482, 269677), (1689, 236626), (2874, 139061), (3378, 118313), (6227, 64182), (7319, 54606), (9101, 43914), (10697, 37362), (12454, 32091), (14638, 27303), (18202, 21957), (18681, 21394)]