312740798

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{509}}^1$

素因数の和:609

約数の個数: 48

約数和(自身を含む): 531632160

約数和(自身を除く): 218891362

約数列:

[1, 2, 19, 23, 37, 38, 46, 74, 361, 437, 509, 703, 722, 851, 874, 1018, 1406, 1702, 8303, 9671, 11707, 13357, 16169, 16606, 18833, 19342, 23414, 26714, 32338, 37666, 183749, 222433, 307211, 357827, 367498, 433159, 444866, 614422, 715654, 866318, 4226227, 6798713, 8230021, 8452454, 13597426, 16460042, 156370399, 312740798]

約数ペア:

[(1, 312740798), (2, 156370399), (19, 16460042), (23, 13597426), (37, 8452454), (38, 8230021), (46, 6798713), (74, 4226227), (361, 866318), (437, 715654), (509, 614422), (703, 444866), (722, 433159), (851, 367498), (874, 357827), (1018, 307211), (1406, 222433), (1702, 183749), (8303, 37666), (9671, 32338), (11707, 26714), (13357, 23414), (16169, 19342), (16606, 18833)]