349898364

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{1997}}^1$

素因数の和:2195

約数の個数: 72

約数和(自身を含む): 919271808

約数和(自身を除く): 569373444

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 157, 186, 279, 314, 372, 471, 558, 628, 942, 1116, 1413, 1884, 1997, 2826, 3994, 4867, 5652, 5991, 7988, 9734, 11982, 14601, 17973, 19468, 23964, 29202, 35946, 43803, 58404, 61907, 71892, 87606, 123814, 175212, 185721, 247628, 313529, 371442, 557163, 627058, 742884, 940587, 1114326, 1254116, 1881174, 2228652, 2821761, 3762348, 5643522, 9719399, 11287044, 19438798, 29158197, 38877596, 58316394, 87474591, 116632788, 174949182, 349898364]

約数ペア:

[(1, 349898364), (2, 174949182), (3, 116632788), (4, 87474591), (6, 58316394), (9, 38877596), (12, 29158197), (18, 19438798), (31, 11287044), (36, 9719399), (62, 5643522), (93, 3762348), (124, 2821761), (157, 2228652), (186, 1881174), (279, 1254116), (314, 1114326), (372, 940587), (471, 742884), (558, 627058), (628, 557163), (942, 371442), (1116, 313529), (1413, 247628), (1884, 185721), (1997, 175212), (2826, 123814), (3994, 87606), (4867, 71892), (5652, 61907), (5991, 58404), (7988, 43803), (9734, 35946), (11982, 29202), (14601, 23964), (17973, 19468)]