26401336

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{431}}^1$

素因数の和:500

約数の個数: 64

約数和(自身を含む): 58060800

約数和(自身を除く): 31659464

約数列:

[1, 2, 4, 8, 13, 19, 26, 31, 38, 52, 62, 76, 104, 124, 152, 247, 248, 403, 431, 494, 589, 806, 862, 988, 1178, 1612, 1724, 1976, 2356, 3224, 3448, 4712, 5603, 7657, 8189, 11206, 13361, 15314, 16378, 22412, 26722, 30628, 32756, 44824, 53444, 61256, 65512, 106457, 106888, 173693, 212914, 253859, 347386, 425828, 507718, 694772, 851656, 1015436, 1389544, 2030872, 3300167, 6600334, 13200668, 26401336]

約数ペア:

[(1, 26401336), (2, 13200668), (4, 6600334), (8, 3300167), (13, 2030872), (19, 1389544), (26, 1015436), (31, 851656), (38, 694772), (52, 507718), (62, 425828), (76, 347386), (104, 253859), (124, 212914), (152, 173693), (247, 106888), (248, 106457), (403, 65512), (431, 61256), (494, 53444), (589, 44824), (806, 32756), (862, 30628), (988, 26722), (1178, 22412), (1612, 16378), (1724, 15314), (1976, 13361), (2356, 11206), (3224, 8189), (3448, 7657), (4712, 5603)]