217090216

素因数分解:

$2^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{617}}^1$

素因数の和:794

約数の個数: 64

約数和(自身を含む): 478183680

約数和(自身を除く): 261093464

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 61, 103, 122, 206, 244, 412, 427, 488, 617, 721, 824, 854, 1234, 1442, 1708, 2468, 2884, 3416, 4319, 4936, 5768, 6283, 8638, 12566, 17276, 25132, 34552, 37637, 43981, 50264, 63551, 75274, 87962, 127102, 150548, 175924, 254204, 263459, 301096, 351848, 444857, 508408, 526918, 889714, 1053836, 1779428, 2107672, 3558856, 3876611, 7753222, 15506444, 27136277, 31012888, 54272554, 108545108, 217090216]

約数ペア:

[(1, 217090216), (2, 108545108), (4, 54272554), (7, 31012888), (8, 27136277), (14, 15506444), (28, 7753222), (56, 3876611), (61, 3558856), (103, 2107672), (122, 1779428), (206, 1053836), (244, 889714), (412, 526918), (427, 508408), (488, 444857), (617, 351848), (721, 301096), (824, 263459), (854, 254204), (1234, 175924), (1442, 150548), (1708, 127102), (2468, 87962), (2884, 75274), (3416, 63551), (4319, 50264), (4936, 43981), (5768, 37637), (6283, 34552), (8638, 25132), (12566, 17276)]