128742628

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{1787}}^1$

素因数の和:1912

約数の個数: 48

約数和(自身を含む): 269144064

約数和(自身を除く): 140401436

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 83, 124, 166, 217, 332, 434, 581, 868, 1162, 1787, 2324, 2573, 3574, 5146, 7148, 10292, 12509, 18011, 25018, 36022, 50036, 55397, 72044, 110794, 148321, 221588, 296642, 387779, 593284, 775558, 1038247, 1551116, 2076494, 4152988, 4597951, 9195902, 18391804, 32185657, 64371314, 128742628]

約数ペア:

[(1, 128742628), (2, 64371314), (4, 32185657), (7, 18391804), (14, 9195902), (28, 4597951), (31, 4152988), (62, 2076494), (83, 1551116), (124, 1038247), (166, 775558), (217, 593284), (332, 387779), (434, 296642), (581, 221588), (868, 148321), (1162, 110794), (1787, 72044), (2324, 55397), (2573, 50036), (3574, 36022), (5146, 25018), (7148, 18011), (10292, 12509)]