311913498

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{139}}^1\times {\mathrm{2213}}^1$

素因数の和:2383

約数の個数: 48

約数和(自身を含む): 680672160

約数和(自身を除く): 368758662

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 139, 169, 278, 338, 417, 507, 834, 1014, 1807, 2213, 3614, 4426, 5421, 6639, 10842, 13278, 23491, 28769, 46982, 57538, 70473, 86307, 140946, 172614, 307607, 373997, 615214, 747994, 922821, 1121991, 1845642, 2243982, 3998891, 7997782, 11996673, 23993346, 51985583, 103971166, 155956749, 311913498]

約数ペア:

[(1, 311913498), (2, 155956749), (3, 103971166), (6, 51985583), (13, 23993346), (26, 11996673), (39, 7997782), (78, 3998891), (139, 2243982), (169, 1845642), (278, 1121991), (338, 922821), (417, 747994), (507, 615214), (834, 373997), (1014, 307607), (1807, 172614), (2213, 140946), (3614, 86307), (4426, 70473), (5421, 57538), (6639, 46982), (10842, 28769), (13278, 23491)]