27780376

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1$

素因数の和:260

約数の個数: 64

約数和(自身を含む): 59371200

約数和(自身を除く): 31590824

約数列:

[1, 2, 4, 8, 13, 26, 29, 52, 58, 61, 104, 116, 122, 151, 232, 244, 302, 377, 488, 604, 754, 793, 1208, 1508, 1586, 1769, 1963, 3016, 3172, 3538, 3926, 4379, 6344, 7076, 7852, 8758, 9211, 14152, 15704, 17516, 18422, 22997, 35032, 36844, 45994, 56927, 73688, 91988, 113854, 119743, 183976, 227708, 239486, 267119, 455416, 478972, 534238, 957944, 1068476, 2136952, 3472547, 6945094, 13890188, 27780376]

約数ペア:

[(1, 27780376), (2, 13890188), (4, 6945094), (8, 3472547), (13, 2136952), (26, 1068476), (29, 957944), (52, 534238), (58, 478972), (61, 455416), (104, 267119), (116, 239486), (122, 227708), (151, 183976), (232, 119743), (244, 113854), (302, 91988), (377, 73688), (488, 56927), (604, 45994), (754, 36844), (793, 35032), (1208, 22997), (1508, 18422), (1586, 17516), (1769, 15704), (1963, 14152), (3016, 9211), (3172, 8758), (3538, 7852), (3926, 7076), (4379, 6344)]