78551408

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1$

素因数の和:274

約数の個数: 80

約数和(自身を含む): 171780672

約数和(自身を除く): 93229264

約数列:

[1, 2, 4, 8, 13, 16, 26, 41, 52, 61, 82, 104, 122, 151, 164, 208, 244, 302, 328, 488, 533, 604, 656, 793, 976, 1066, 1208, 1586, 1963, 2132, 2416, 2501, 3172, 3926, 4264, 5002, 6191, 6344, 7852, 8528, 9211, 10004, 12382, 12688, 15704, 18422, 20008, 24764, 31408, 32513, 36844, 40016, 49528, 65026, 73688, 80483, 99056, 119743, 130052, 147376, 160966, 239486, 260104, 321932, 377651, 478972, 520208, 643864, 755302, 957944, 1287728, 1510604, 1915888, 3021208, 4909463, 6042416, 9818926, 19637852, 39275704, 78551408]

約数ペア:

[(1, 78551408), (2, 39275704), (4, 19637852), (8, 9818926), (13, 6042416), (16, 4909463), (26, 3021208), (41, 1915888), (52, 1510604), (61, 1287728), (82, 957944), (104, 755302), (122, 643864), (151, 520208), (164, 478972), (208, 377651), (244, 321932), (302, 260104), (328, 239486), (488, 160966), (533, 147376), (604, 130052), (656, 119743), (793, 99056), (976, 80483), (1066, 73688), (1208, 65026), (1586, 49528), (1963, 40016), (2132, 36844), (2416, 32513), (2501, 31408), (3172, 24764), (3926, 20008), (4264, 18422), (5002, 15704), (6191, 12688), (6344, 12382), (7852, 10004), (8528, 9211)]