28557990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{5987}}^1$

素因数の和:6053

約数の個数: 48

約数和(自身を含む): 75664368

約数和(自身を除く): 47106378

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 53, 90, 106, 159, 265, 318, 477, 530, 795, 954, 1590, 2385, 4770, 5987, 11974, 17961, 29935, 35922, 53883, 59870, 89805, 107766, 179610, 269415, 317311, 538830, 634622, 951933, 1586555, 1903866, 2855799, 3173110, 4759665, 5711598, 9519330, 14278995, 28557990]

約数ペア:

[(1, 28557990), (2, 14278995), (3, 9519330), (5, 5711598), (6, 4759665), (9, 3173110), (10, 2855799), (15, 1903866), (18, 1586555), (30, 951933), (45, 634622), (53, 538830), (90, 317311), (106, 269415), (159, 179610), (265, 107766), (318, 89805), (477, 59870), (530, 53883), (795, 35922), (954, 29935), (1590, 17961), (2385, 11974), (4770, 5987)]