2279731688

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{191}}^1$

素因数の和:427

約数の個数: 128

約数和(自身を含む): 5045483520

約数和(自身を除く): 2765751832

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 43, 52, 68, 86, 104, 136, 157, 172, 191, 221, 314, 344, 382, 442, 559, 628, 731, 764, 884, 1118, 1256, 1462, 1528, 1768, 2041, 2236, 2483, 2669, 2924, 3247, 4082, 4472, 4966, 5338, 5848, 6494, 6751, 8164, 8213, 9503, 9932, 10676, 12988, 13502, 16328, 16426, 19006, 19864, 21352, 25976, 27004, 29987, 32852, 34697, 38012, 42211, 54008, 59974, 65704, 69394, 76024, 84422, 87763, 106769, 114767, 119948, 138788, 139621, 168844, 175526, 213538, 229534, 239896, 277576, 279242, 337688, 351052, 389831, 427076, 459068, 509779, 558484, 702104, 779662, 854152, 918136, 1019558, 1116968, 1289441, 1491971, 1559324, 1815073, 2039116, 2578882, 2983942, 3118648, 3630146, 4078232, 5157764, 5967884, 6627127, 7260292, 10315528, 11935768, 13254254, 14520584, 16762733, 21920497, 26508508, 33525466, 43840994, 53017016, 67050932, 87681988, 134101864, 175363976, 284966461, 569932922, 1139865844, 2279731688]

約数ペア:

[(1, 2279731688), (2, 1139865844), (4, 569932922), (8, 284966461), (13, 175363976), (17, 134101864), (26, 87681988), (34, 67050932), (43, 53017016), (52, 43840994), (68, 33525466), (86, 26508508), (104, 21920497), (136, 16762733), (157, 14520584), (172, 13254254), (191, 11935768), (221, 10315528), (314, 7260292), (344, 6627127), (382, 5967884), (442, 5157764), (559, 4078232), (628, 3630146), (731, 3118648), (764, 2983942), (884, 2578882), (1118, 2039116), (1256, 1815073), (1462, 1559324), (1528, 1491971), (1768, 1289441), (2041, 1116968), (2236, 1019558), (2483, 918136), (2669, 854152), (2924, 779662), (3247, 702104), (4082, 558484), (4472, 509779), (4966, 459068), (5338, 427076), (5848, 389831), (6494, 351052), (6751, 337688), (8164, 279242), (8213, 277576), (9503, 239896), (9932, 229534), (10676, 213538), (12988, 175526), (13502, 168844), (16328, 139621), (16426, 138788), (19006, 119948), (19864, 114767), (21352, 106769), (25976, 87763), (27004, 84422), (29987, 76024), (32852, 69394), (34697, 65704), (38012, 59974), (42211, 54008)]