78133328

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{521}}^1$

素因数の和:652

約数の個数: 80

約数和(自身を含む): 188487936

約数和(自身を除く): 110354608

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 103, 104, 112, 182, 206, 208, 364, 412, 521, 721, 728, 824, 1042, 1339, 1442, 1456, 1648, 2084, 2678, 2884, 3647, 4168, 5356, 5768, 6773, 7294, 8336, 9373, 10712, 11536, 13546, 14588, 18746, 21424, 27092, 29176, 37492, 47411, 53663, 54184, 58352, 74984, 94822, 107326, 108368, 149968, 189644, 214652, 375641, 379288, 429304, 697619, 751282, 758576, 858608, 1395238, 1502564, 2790476, 3005128, 4883333, 5580952, 6010256, 9766666, 11161904, 19533332, 39066664, 78133328]

約数ペア:

[(1, 78133328), (2, 39066664), (4, 19533332), (7, 11161904), (8, 9766666), (13, 6010256), (14, 5580952), (16, 4883333), (26, 3005128), (28, 2790476), (52, 1502564), (56, 1395238), (91, 858608), (103, 758576), (104, 751282), (112, 697619), (182, 429304), (206, 379288), (208, 375641), (364, 214652), (412, 189644), (521, 149968), (721, 108368), (728, 107326), (824, 94822), (1042, 74984), (1339, 58352), (1442, 54184), (1456, 53663), (1648, 47411), (2084, 37492), (2678, 29176), (2884, 27092), (3647, 21424), (4168, 18746), (5356, 14588), (5768, 13546), (6773, 11536), (7294, 10712), (8336, 9373)]