641501744

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{75223}}^1$

素因数の和:75285

約数の個数: 40

約数和(自身を含む): 1371183072

約数和(自身を除く): 729681328

約数列:

[1, 2, 4, 8, 13, 16, 26, 41, 52, 82, 104, 164, 208, 328, 533, 656, 1066, 2132, 4264, 8528, 75223, 150446, 300892, 601784, 977899, 1203568, 1955798, 3084143, 3911596, 6168286, 7823192, 12336572, 15646384, 24673144, 40093859, 49346288, 80187718, 160375436, 320750872, 641501744]

約数ペア:

[(1, 641501744), (2, 320750872), (4, 160375436), (8, 80187718), (13, 49346288), (16, 40093859), (26, 24673144), (41, 15646384), (52, 12336572), (82, 7823192), (104, 6168286), (164, 3911596), (208, 3084143), (328, 1955798), (533, 1203568), (656, 977899), (1066, 601784), (2132, 300892), (4264, 150446), (8528, 75223)]