179972156

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{73}}^1\times {\mathrm{521}}^1$

素因数の和:631

約数の個数: 72

約数和(自身を含む): 395859744

約数和(自身を除く): 215887588

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 73, 91, 146, 169, 182, 292, 338, 364, 511, 521, 676, 949, 1022, 1042, 1183, 1898, 2044, 2084, 2366, 3647, 3796, 4732, 6643, 6773, 7294, 12337, 13286, 13546, 14588, 24674, 26572, 27092, 38033, 47411, 49348, 76066, 86359, 88049, 94822, 152132, 172718, 176098, 189644, 266231, 345436, 352196, 494429, 532462, 616343, 988858, 1064924, 1232686, 1977716, 2465372, 3461003, 6427577, 6922006, 12855154, 13844012, 25710308, 44993039, 89986078, 179972156]

約数ペア:

[(1, 179972156), (2, 89986078), (4, 44993039), (7, 25710308), (13, 13844012), (14, 12855154), (26, 6922006), (28, 6427577), (52, 3461003), (73, 2465372), (91, 1977716), (146, 1232686), (169, 1064924), (182, 988858), (292, 616343), (338, 532462), (364, 494429), (511, 352196), (521, 345436), (676, 266231), (949, 189644), (1022, 176098), (1042, 172718), (1183, 152132), (1898, 94822), (2044, 88049), (2084, 86359), (2366, 76066), (3647, 49348), (3796, 47411), (4732, 38033), (6643, 27092), (6773, 26572), (7294, 24674), (12337, 14588), (13286, 13546)]