131887028

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{271}}^1$

素因数の和:493

約数の個数: 72

約数和(自身を含む): 291723264

約数和(自身を除く): 159836236

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 182, 191, 196, 271, 364, 382, 542, 637, 764, 1084, 1274, 1337, 1897, 2483, 2548, 2674, 3523, 3794, 4966, 5348, 7046, 7588, 9359, 9932, 13279, 14092, 17381, 18718, 24661, 26558, 34762, 37436, 49322, 51761, 53116, 69524, 98644, 103522, 121667, 172627, 207044, 243334, 345254, 362327, 486668, 672893, 690508, 724654, 1345786, 1449308, 2536289, 2691572, 4710251, 5072578, 9420502, 10145156, 18841004, 32971757, 65943514, 131887028]

約数ペア:

[(1, 131887028), (2, 65943514), (4, 32971757), (7, 18841004), (13, 10145156), (14, 9420502), (26, 5072578), (28, 4710251), (49, 2691572), (52, 2536289), (91, 1449308), (98, 1345786), (182, 724654), (191, 690508), (196, 672893), (271, 486668), (364, 362327), (382, 345254), (542, 243334), (637, 207044), (764, 172627), (1084, 121667), (1274, 103522), (1337, 98644), (1897, 69524), (2483, 53116), (2548, 51761), (2674, 49322), (3523, 37436), (3794, 34762), (4966, 26558), (5348, 24661), (7046, 18718), (7588, 17381), (9359, 14092), (9932, 13279)]