205558288

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{953}}^1$

素因数の和:1052

約数の個数: 80

約数和(自身を含む): 462064176

約数和(自身を除く): 256505888

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 61, 68, 104, 122, 136, 208, 221, 244, 272, 442, 488, 793, 884, 953, 976, 1037, 1586, 1768, 1906, 2074, 3172, 3536, 3812, 4148, 6344, 7624, 8296, 12389, 12688, 13481, 15248, 16201, 16592, 24778, 26962, 32402, 49556, 53924, 58133, 64804, 99112, 107848, 116266, 129608, 198224, 210613, 215696, 232532, 259216, 421226, 465064, 755729, 842452, 930128, 988261, 1511458, 1684904, 1976522, 3022916, 3369808, 3953044, 6045832, 7906088, 12091664, 12847393, 15812176, 25694786, 51389572, 102779144, 205558288]

約数ペア:

[(1, 205558288), (2, 102779144), (4, 51389572), (8, 25694786), (13, 15812176), (16, 12847393), (17, 12091664), (26, 7906088), (34, 6045832), (52, 3953044), (61, 3369808), (68, 3022916), (104, 1976522), (122, 1684904), (136, 1511458), (208, 988261), (221, 930128), (244, 842452), (272, 755729), (442, 465064), (488, 421226), (793, 259216), (884, 232532), (953, 215696), (976, 210613), (1037, 198224), (1586, 129608), (1768, 116266), (1906, 107848), (2074, 99112), (3172, 64804), (3536, 58133), (3812, 53924), (4148, 49556), (6344, 32402), (7624, 26962), (8296, 24778), (12389, 16592), (12688, 16201), (13481, 15248)]