81814278

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{5167}}^1$

素因数の和:5221

約数の個数: 64

約数和(自身を含む): 208373760

約数和(自身を除く): 126559482

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 29, 39, 42, 58, 78, 87, 91, 174, 182, 203, 273, 377, 406, 546, 609, 754, 1131, 1218, 2262, 2639, 5167, 5278, 7917, 10334, 15501, 15834, 31002, 36169, 67171, 72338, 108507, 134342, 149843, 201513, 217014, 299686, 403026, 449529, 470197, 899058, 940394, 1048901, 1410591, 1947959, 2097802, 2821182, 3146703, 3895918, 5843877, 6293406, 11687754, 13635713, 27271426, 40907139, 81814278]

約数ペア:

[(1, 81814278), (2, 40907139), (3, 27271426), (6, 13635713), (7, 11687754), (13, 6293406), (14, 5843877), (21, 3895918), (26, 3146703), (29, 2821182), (39, 2097802), (42, 1947959), (58, 1410591), (78, 1048901), (87, 940394), (91, 899058), (174, 470197), (182, 449529), (203, 403026), (273, 299686), (377, 217014), (406, 201513), (546, 149843), (609, 134342), (754, 108507), (1131, 72338), (1218, 67171), (2262, 36169), (2639, 31002), (5167, 15834), (5278, 15501), (7917, 10334)]