12778792

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{223}}^1$

素因数の和:290

約数の個数: 64

約数和(自身を含む): 28224000

約数和(自身を除く): 15445208

約数列:

[1, 2, 4, 8, 13, 19, 26, 29, 38, 52, 58, 76, 104, 116, 152, 223, 232, 247, 377, 446, 494, 551, 754, 892, 988, 1102, 1508, 1784, 1976, 2204, 2899, 3016, 4237, 4408, 5798, 6467, 7163, 8474, 11596, 12934, 14326, 16948, 23192, 25868, 28652, 33896, 51736, 55081, 57304, 84071, 110162, 122873, 168142, 220324, 245746, 336284, 440648, 491492, 672568, 982984, 1597349, 3194698, 6389396, 12778792]

約数ペア:

[(1, 12778792), (2, 6389396), (4, 3194698), (8, 1597349), (13, 982984), (19, 672568), (26, 491492), (29, 440648), (38, 336284), (52, 245746), (58, 220324), (76, 168142), (104, 122873), (116, 110162), (152, 84071), (223, 57304), (232, 55081), (247, 51736), (377, 33896), (446, 28652), (494, 25868), (551, 23192), (754, 16948), (892, 14326), (988, 12934), (1102, 11596), (1508, 8474), (1784, 7163), (1976, 6467), (2204, 5798), (2899, 4408), (3016, 4237)]