81639472

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{233}}^1\times {\mathrm{359}}^1$

素因数の和:661

約数の個数: 40

約数和(自身を含む): 161909280

約数和(自身を除く): 80269808

約数列:

[1, 2, 4, 8, 16, 61, 122, 233, 244, 359, 466, 488, 718, 932, 976, 1436, 1864, 2872, 3728, 5744, 14213, 21899, 28426, 43798, 56852, 83647, 87596, 113704, 167294, 175192, 227408, 334588, 350384, 669176, 1338352, 5102467, 10204934, 20409868, 40819736, 81639472]

約数ペア:

[(1, 81639472), (2, 40819736), (4, 20409868), (8, 10204934), (16, 5102467), (61, 1338352), (122, 669176), (233, 350384), (244, 334588), (359, 227408), (466, 175192), (488, 167294), (718, 113704), (932, 87596), (976, 83647), (1436, 56852), (1864, 43798), (2872, 28426), (3728, 21899), (5744, 14213)]