664754992

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{557}}^1\times {\mathrm{6781}}^1$

素因数の和:7357

約数の個数: 40

約数和(自身を含む): 1407780432

約数和(自身を除く): 743025440

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 557, 1114, 2228, 4456, 6127, 6781, 8912, 12254, 13562, 24508, 27124, 49016, 54248, 74591, 98032, 108496, 149182, 298364, 596728, 1193456, 3777017, 7554034, 15108068, 30216136, 41547187, 60432272, 83094374, 166188748, 332377496, 664754992]

約数ペア:

[(1, 664754992), (2, 332377496), (4, 166188748), (8, 83094374), (11, 60432272), (16, 41547187), (22, 30216136), (44, 15108068), (88, 7554034), (176, 3777017), (557, 1193456), (1114, 596728), (2228, 298364), (4456, 149182), (6127, 108496), (6781, 98032), (8912, 74591), (12254, 54248), (13562, 49016), (24508, 27124)]