28161860

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{733}}^1$

素因数の和:872

約数の個数: 48

約数和(自身を含む): 63259056

約数和(自身を除く): 35097196

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 113, 170, 226, 340, 452, 565, 733, 1130, 1466, 1921, 2260, 2932, 3665, 3842, 7330, 7684, 9605, 12461, 14660, 19210, 24922, 38420, 49844, 62305, 82829, 124610, 165658, 249220, 331316, 414145, 828290, 1408093, 1656580, 2816186, 5632372, 7040465, 14080930, 28161860]

約数ペア:

[(1, 28161860), (2, 14080930), (4, 7040465), (5, 5632372), (10, 2816186), (17, 1656580), (20, 1408093), (34, 828290), (68, 414145), (85, 331316), (113, 249220), (170, 165658), (226, 124610), (340, 82829), (452, 62305), (565, 49844), (733, 38420), (1130, 24922), (1466, 19210), (1921, 14660), (2260, 12461), (2932, 9605), (3665, 7684), (3842, 7330)]