31257828

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{5393}}^1$

素因数の和:5433

約数の個数: 72

約数和(自身を含む): 94243968

約数和(自身を除く): 62986140

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 23, 28, 36, 42, 46, 63, 69, 84, 92, 126, 138, 161, 207, 252, 276, 322, 414, 483, 644, 828, 966, 1449, 1932, 2898, 5393, 5796, 10786, 16179, 21572, 32358, 37751, 48537, 64716, 75502, 97074, 113253, 124039, 151004, 194148, 226506, 248078, 339759, 372117, 453012, 496156, 679518, 744234, 868273, 1116351, 1359036, 1488468, 1736546, 2232702, 2604819, 3473092, 4465404, 5209638, 7814457, 10419276, 15628914, 31257828]

約数ペア:

[(1, 31257828), (2, 15628914), (3, 10419276), (4, 7814457), (6, 5209638), (7, 4465404), (9, 3473092), (12, 2604819), (14, 2232702), (18, 1736546), (21, 1488468), (23, 1359036), (28, 1116351), (36, 868273), (42, 744234), (46, 679518), (63, 496156), (69, 453012), (84, 372117), (92, 339759), (126, 248078), (138, 226506), (161, 194148), (207, 151004), (252, 124039), (276, 113253), (322, 97074), (414, 75502), (483, 64716), (644, 48537), (828, 37751), (966, 32358), (1449, 21572), (1932, 16179), (2898, 10786), (5393, 5796)]