156909804478

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{151}}^1\times {\mathrm{205607}}^1$

素因数の和:205805

約数の個数: 48

約数和(自身を含む): 285772091904

約数和(自身を除く): 128862287426

約数列:

[1, 2, 7, 14, 19, 38, 133, 151, 266, 302, 361, 722, 1057, 2114, 2527, 2869, 5054, 5738, 20083, 40166, 54511, 109022, 205607, 381577, 411214, 763154, 1439249, 2878498, 3906533, 7813066, 27345731, 31046657, 54691462, 62093314, 74224127, 148448254, 217326599, 434653198, 519568889, 589886483, 1039137778, 1179772966, 4129205381, 8258410762, 11207843177, 22415686354, 78454902239, 156909804478]

約数ペア:

[(1, 156909804478), (2, 78454902239), (7, 22415686354), (14, 11207843177), (19, 8258410762), (38, 4129205381), (133, 1179772966), (151, 1039137778), (266, 589886483), (302, 519568889), (361, 434653198), (722, 217326599), (1057, 148448254), (2114, 74224127), (2527, 62093314), (2869, 54691462), (5054, 31046657), (5738, 27345731), (20083, 7813066), (40166, 3906533), (54511, 2878498), (109022, 1439249), (205607, 763154), (381577, 411214)]