257941266

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1$

素因数の和:288

約数の個数: 96

約数和(自身を含む): 597133824

約数和(自身を除く): 339192558

約数列:

[1, 2, 3, 6, 11, 22, 31, 33, 62, 66, 73, 93, 121, 146, 157, 186, 219, 242, 314, 341, 363, 438, 471, 682, 726, 803, 942, 1023, 1606, 1727, 2046, 2263, 2409, 3454, 3751, 4526, 4818, 4867, 5181, 6789, 7502, 8833, 9734, 10362, 11253, 11461, 13578, 14601, 17666, 18997, 22506, 22922, 24893, 26499, 29202, 34383, 37994, 49786, 52998, 53537, 56991, 68766, 74679, 107074, 113982, 126071, 149358, 160611, 252142, 273823, 321222, 355291, 378213, 547646, 588907, 710582, 756426, 821469, 1065873, 1177814, 1386781, 1642938, 1766721, 2131746, 2773562, 3533442, 3908201, 4160343, 7816402, 8320686, 11724603, 23449206, 42990211, 85980422, 128970633, 257941266]

約数ペア:

[(1, 257941266), (2, 128970633), (3, 85980422), (6, 42990211), (11, 23449206), (22, 11724603), (31, 8320686), (33, 7816402), (62, 4160343), (66, 3908201), (73, 3533442), (93, 2773562), (121, 2131746), (146, 1766721), (157, 1642938), (186, 1386781), (219, 1177814), (242, 1065873), (314, 821469), (341, 756426), (363, 710582), (438, 588907), (471, 547646), (682, 378213), (726, 355291), (803, 321222), (942, 273823), (1023, 252142), (1606, 160611), (1727, 149358), (2046, 126071), (2263, 113982), (2409, 107074), (3454, 74679), (3751, 68766), (4526, 56991), (4818, 53537), (4867, 52998), (5181, 49786), (6789, 37994), (7502, 34383), (8833, 29202), (9734, 26499), (10362, 24893), (11253, 22922), (11461, 22506), (13578, 18997), (14601, 17666)]