257376394

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{1409}}^1$

素因数の和:1483

約数の個数: 48

約数和(自身を含む): 464149440

約数和(自身を除く): 206773046

約数列:

[1, 2, 11, 19, 22, 23, 38, 46, 209, 253, 361, 418, 437, 506, 722, 874, 1409, 2818, 3971, 4807, 7942, 8303, 9614, 15499, 16606, 26771, 30998, 32407, 53542, 64814, 91333, 182666, 294481, 356477, 508649, 588962, 615733, 712954, 1017298, 1231466, 5595139, 6773063, 11190278, 11698927, 13546126, 23397854, 128688197, 257376394]

約数ペア:

[(1, 257376394), (2, 128688197), (11, 23397854), (19, 13546126), (22, 11698927), (23, 11190278), (38, 6773063), (46, 5595139), (209, 1231466), (253, 1017298), (361, 712954), (418, 615733), (437, 588962), (506, 508649), (722, 356477), (874, 294481), (1409, 182666), (2818, 91333), (3971, 64814), (4807, 53542), (7942, 32407), (8303, 30998), (9614, 26771), (15499, 16606)]