28009332

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{617}}^1$

素因数の和:737

約数の個数: 72

約数和(自身を含む): 77158536

約数和(自身を除く): 49149204

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 97, 117, 156, 194, 234, 291, 388, 468, 582, 617, 873, 1164, 1234, 1261, 1746, 1851, 2468, 2522, 3492, 3702, 3783, 5044, 5553, 7404, 7566, 8021, 11106, 11349, 15132, 16042, 22212, 22698, 24063, 32084, 45396, 48126, 59849, 72189, 96252, 119698, 144378, 179547, 239396, 288756, 359094, 538641, 718188, 778037, 1077282, 1556074, 2154564, 2334111, 3112148, 4668222, 7002333, 9336444, 14004666, 28009332]

約数ペア:

[(1, 28009332), (2, 14004666), (3, 9336444), (4, 7002333), (6, 4668222), (9, 3112148), (12, 2334111), (13, 2154564), (18, 1556074), (26, 1077282), (36, 778037), (39, 718188), (52, 538641), (78, 359094), (97, 288756), (117, 239396), (156, 179547), (194, 144378), (234, 119698), (291, 96252), (388, 72189), (468, 59849), (582, 48126), (617, 45396), (873, 32084), (1164, 24063), (1234, 22698), (1261, 22212), (1746, 16042), (1851, 15132), (2468, 11349), (2522, 11106), (3492, 8021), (3702, 7566), (3783, 7404), (5044, 5553)]