81617198

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{179}}^1$

素因数の和:297

約数の個数: 48

約数和(自身を含む): 142300800

約数和(自身を除く): 60683602

約数列:

[1, 2, 13, 19, 26, 38, 71, 142, 169, 179, 247, 338, 358, 494, 923, 1349, 1846, 2327, 2698, 3211, 3401, 4654, 6422, 6802, 11999, 12709, 17537, 23998, 25418, 30251, 35074, 44213, 60502, 88426, 165217, 227981, 241471, 330434, 455962, 482942, 574769, 1149538, 2147821, 3139123, 4295642, 6278246, 40808599, 81617198]

約数ペア:

[(1, 81617198), (2, 40808599), (13, 6278246), (19, 4295642), (26, 3139123), (38, 2147821), (71, 1149538), (142, 574769), (169, 482942), (179, 455962), (247, 330434), (338, 241471), (358, 227981), (494, 165217), (923, 88426), (1349, 60502), (1846, 44213), (2327, 35074), (2698, 30251), (3211, 25418), (3401, 23998), (4654, 17537), (6422, 12709), (6802, 11999)]