90551968

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{1997}}^1$

素因数の和:2129

約数の個数: 48

約数和(自身を含む): 193845960

約数和(自身を除く): 103293992

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 109, 208, 218, 416, 436, 872, 1417, 1744, 1997, 2834, 3488, 3994, 5668, 7988, 11336, 15976, 22672, 25961, 31952, 45344, 51922, 63904, 103844, 207688, 217673, 415376, 435346, 830752, 870692, 1741384, 2829749, 3482768, 5659498, 6965536, 11318996, 22637992, 45275984, 90551968]

約数ペア:

[(1, 90551968), (2, 45275984), (4, 22637992), (8, 11318996), (13, 6965536), (16, 5659498), (26, 3482768), (32, 2829749), (52, 1741384), (104, 870692), (109, 830752), (208, 435346), (218, 415376), (416, 217673), (436, 207688), (872, 103844), (1417, 63904), (1744, 51922), (1997, 45344), (2834, 31952), (3488, 25961), (3994, 22672), (5668, 15976), (7988, 11336)]