215996976

素因数分解:

$2^4\times 3^3\times {\mathrm{13}}^1\times {\mathrm{38461}}^1$

素因数の和:38491

約数の個数: 80

約数和(自身を含む): 667700320

約数和(自身を除く): 451703344

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 36, 39, 48, 52, 54, 72, 78, 104, 108, 117, 144, 156, 208, 216, 234, 312, 351, 432, 468, 624, 702, 936, 1404, 1872, 2808, 5616, 38461, 76922, 115383, 153844, 230766, 307688, 346149, 461532, 499993, 615376, 692298, 923064, 999986, 1038447, 1384596, 1499979, 1846128, 1999972, 2076894, 2769192, 2999958, 3999944, 4153788, 4499937, 5538384, 5999916, 7999888, 8307576, 8999874, 11999832, 13499811, 16615152, 17999748, 23999664, 26999622, 35999496, 53999244, 71998992, 107998488, 215996976]

約数ペア:

[(1, 215996976), (2, 107998488), (3, 71998992), (4, 53999244), (6, 35999496), (8, 26999622), (9, 23999664), (12, 17999748), (13, 16615152), (16, 13499811), (18, 11999832), (24, 8999874), (26, 8307576), (27, 7999888), (36, 5999916), (39, 5538384), (48, 4499937), (52, 4153788), (54, 3999944), (72, 2999958), (78, 2769192), (104, 2076894), (108, 1999972), (117, 1846128), (144, 1499979), (156, 1384596), (208, 1038447), (216, 999986), (234, 923064), (312, 692298), (351, 615376), (432, 499993), (468, 461532), (624, 346149), (702, 307688), (936, 230766), (1404, 153844), (1872, 115383), (2808, 76922), (5616, 38461)]