398423116

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{577}}^1$

素因数の和:879

約数の個数: 72

約数和(自身を含む): 878208576

約数和(自身を除く): 479785460

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 182, 196, 271, 364, 542, 577, 637, 1084, 1154, 1274, 1897, 2308, 2548, 3523, 3794, 4039, 7046, 7501, 7588, 8078, 13279, 14092, 15002, 16156, 24661, 26558, 28273, 30004, 49322, 52507, 53116, 56546, 98644, 105014, 113092, 156367, 172627, 210028, 312734, 345254, 367549, 625468, 690508, 735098, 1094569, 1470196, 2032771, 2189138, 4065542, 4378276, 7661983, 8131084, 14229397, 15323966, 28458794, 30647932, 56917588, 99605779, 199211558, 398423116]

約数ペア:

[(1, 398423116), (2, 199211558), (4, 99605779), (7, 56917588), (13, 30647932), (14, 28458794), (26, 15323966), (28, 14229397), (49, 8131084), (52, 7661983), (91, 4378276), (98, 4065542), (182, 2189138), (196, 2032771), (271, 1470196), (364, 1094569), (542, 735098), (577, 690508), (637, 625468), (1084, 367549), (1154, 345254), (1274, 312734), (1897, 210028), (2308, 172627), (2548, 156367), (3523, 113092), (3794, 105014), (4039, 98644), (7046, 56546), (7501, 53116), (7588, 52507), (8078, 49322), (13279, 30004), (14092, 28273), (15002, 26558), (16156, 24661)]