28264250

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{521}}^1$

素因数の和:576

約数の個数: 64

約数和(自身を含む): 62539776

約数和(自身を除く): 34275526

約数列:

[1, 2, 5, 7, 10, 14, 25, 31, 35, 50, 62, 70, 125, 155, 175, 217, 250, 310, 350, 434, 521, 775, 875, 1042, 1085, 1550, 1750, 2170, 2605, 3647, 3875, 5210, 5425, 7294, 7750, 10850, 13025, 16151, 18235, 26050, 27125, 32302, 36470, 54250, 65125, 80755, 91175, 113057, 130250, 161510, 182350, 226114, 403775, 455875, 565285, 807550, 911750, 1130570, 2018875, 2826425, 4037750, 5652850, 14132125, 28264250]

約数ペア:

[(1, 28264250), (2, 14132125), (5, 5652850), (7, 4037750), (10, 2826425), (14, 2018875), (25, 1130570), (31, 911750), (35, 807550), (50, 565285), (62, 455875), (70, 403775), (125, 226114), (155, 182350), (175, 161510), (217, 130250), (250, 113057), (310, 91175), (350, 80755), (434, 65125), (521, 54250), (775, 36470), (875, 32302), (1042, 27125), (1085, 26050), (1550, 18235), (1750, 16151), (2170, 13025), (2605, 10850), (3647, 7750), (3875, 7294), (5210, 5425)]