331360432

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1$

素因数の和:390

約数の個数: 80

約数和(自身を含む): 710405920

約数和(自身を除く): 379045488

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 73, 104, 139, 146, 157, 208, 278, 292, 314, 556, 584, 628, 949, 1112, 1168, 1256, 1807, 1898, 2041, 2224, 2512, 3614, 3796, 4082, 7228, 7592, 8164, 10147, 11461, 14456, 15184, 16328, 20294, 21823, 22922, 28912, 32656, 40588, 43646, 45844, 81176, 87292, 91688, 131911, 148993, 162352, 174584, 183376, 263822, 283699, 297986, 349168, 527644, 567398, 595972, 1055288, 1134796, 1191944, 1593079, 2110576, 2269592, 2383888, 3186158, 4539184, 6372316, 12744632, 20710027, 25489264, 41420054, 82840108, 165680216, 331360432]

約数ペア:

[(1, 331360432), (2, 165680216), (4, 82840108), (8, 41420054), (13, 25489264), (16, 20710027), (26, 12744632), (52, 6372316), (73, 4539184), (104, 3186158), (139, 2383888), (146, 2269592), (157, 2110576), (208, 1593079), (278, 1191944), (292, 1134796), (314, 1055288), (556, 595972), (584, 567398), (628, 527644), (949, 349168), (1112, 297986), (1168, 283699), (1256, 263822), (1807, 183376), (1898, 174584), (2041, 162352), (2224, 148993), (2512, 131911), (3614, 91688), (3796, 87292), (4082, 81176), (7228, 45844), (7592, 43646), (8164, 40588), (10147, 32656), (11461, 28912), (14456, 22922), (15184, 21823), (16328, 20294)]