28665156

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{3467}}^1$

素因数の和:3540

約数の個数: 48

約数和(自身を含む): 73410624

約数和(自身を除く): 44745468

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 53, 78, 106, 156, 159, 212, 318, 636, 689, 1378, 2067, 2756, 3467, 4134, 6934, 8268, 10401, 13868, 20802, 41604, 45071, 90142, 135213, 180284, 183751, 270426, 367502, 540852, 551253, 735004, 1102506, 2205012, 2388763, 4777526, 7166289, 9555052, 14332578, 28665156]

約数ペア:

[(1, 28665156), (2, 14332578), (3, 9555052), (4, 7166289), (6, 4777526), (12, 2388763), (13, 2205012), (26, 1102506), (39, 735004), (52, 551253), (53, 540852), (78, 367502), (106, 270426), (156, 183751), (159, 180284), (212, 135213), (318, 90142), (636, 45071), (689, 41604), (1378, 20802), (2067, 13868), (2756, 10401), (3467, 8268), (4134, 6934)]