228156656

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{349}}^1\times {\mathrm{449}}^1$

素因数の和:826

約数の個数: 80

約数和(自身を含む): 546840000

約数和(自身を除く): 318683344

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 349, 364, 449, 698, 728, 898, 1396, 1456, 1796, 2443, 2792, 3143, 3592, 4537, 4886, 5584, 5837, 6286, 7184, 9074, 9772, 11674, 12572, 18148, 19544, 23348, 25144, 31759, 36296, 39088, 40859, 46696, 50288, 63518, 72592, 81718, 93392, 127036, 156701, 163436, 254072, 313402, 326872, 508144, 626804, 653744, 1096907, 1253608, 2037113, 2193814, 2507216, 4074226, 4387628, 8148452, 8775256, 14259791, 16296904, 17550512, 28519582, 32593808, 57039164, 114078328, 228156656]

約数ペア:

[(1, 228156656), (2, 114078328), (4, 57039164), (7, 32593808), (8, 28519582), (13, 17550512), (14, 16296904), (16, 14259791), (26, 8775256), (28, 8148452), (52, 4387628), (56, 4074226), (91, 2507216), (104, 2193814), (112, 2037113), (182, 1253608), (208, 1096907), (349, 653744), (364, 626804), (449, 508144), (698, 326872), (728, 313402), (898, 254072), (1396, 163436), (1456, 156701), (1796, 127036), (2443, 93392), (2792, 81718), (3143, 72592), (3592, 63518), (4537, 50288), (4886, 46696), (5584, 40859), (5837, 39088), (6286, 36296), (7184, 31759), (9074, 25144), (9772, 23348), (11674, 19544), (12572, 18148)]