128893492

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{18637}}^1$

素因数の和:18680

約数の個数: 48

約数和(自身を含む): 292243840

約数和(自身を除く): 163350348

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 38, 52, 76, 91, 133, 182, 247, 266, 364, 494, 532, 988, 1729, 3458, 6916, 18637, 37274, 74548, 130459, 242281, 260918, 354103, 484562, 521836, 708206, 969124, 1416412, 1695967, 2478721, 3391934, 4603339, 4957442, 6783868, 9206678, 9914884, 18413356, 32223373, 64446746, 128893492]

約数ペア:

[(1, 128893492), (2, 64446746), (4, 32223373), (7, 18413356), (13, 9914884), (14, 9206678), (19, 6783868), (26, 4957442), (28, 4603339), (38, 3391934), (52, 2478721), (76, 1695967), (91, 1416412), (133, 969124), (182, 708206), (247, 521836), (266, 484562), (364, 354103), (494, 260918), (532, 242281), (988, 130459), (1729, 74548), (3458, 37274), (6916, 18637)]