31597878

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{229}}^1$

素因数の和:337

約数の個数: 64

約数和(自身を含む): 71870400

約数和(自身を除く): 40272522

約数列:

[1, 2, 3, 6, 13, 26, 29, 39, 58, 61, 78, 87, 122, 174, 183, 229, 366, 377, 458, 687, 754, 793, 1131, 1374, 1586, 1769, 2262, 2379, 2977, 3538, 4758, 5307, 5954, 6641, 8931, 10614, 13282, 13969, 17862, 19923, 22997, 27938, 39846, 41907, 45994, 68991, 83814, 86333, 137982, 172666, 181597, 258999, 363194, 405101, 517998, 544791, 810202, 1089582, 1215303, 2430606, 5266313, 10532626, 15798939, 31597878]

約数ペア:

[(1, 31597878), (2, 15798939), (3, 10532626), (6, 5266313), (13, 2430606), (26, 1215303), (29, 1089582), (39, 810202), (58, 544791), (61, 517998), (78, 405101), (87, 363194), (122, 258999), (174, 181597), (183, 172666), (229, 137982), (366, 86333), (377, 83814), (458, 68991), (687, 45994), (754, 41907), (793, 39846), (1131, 27938), (1374, 22997), (1586, 19923), (1769, 17862), (2262, 13969), (2379, 13282), (2977, 10614), (3538, 8931), (4758, 6641), (5307, 5954)]