199989736

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{557}}^1\times {\mathrm{1213}}^1$

素因数の和:1813

約数の個数: 32

約数和(自身を含む): 386124840

約数和(自身を除く): 186135104

約数列:

[1, 2, 4, 8, 37, 74, 148, 296, 557, 1114, 1213, 2228, 2426, 4456, 4852, 9704, 20609, 41218, 44881, 82436, 89762, 164872, 179524, 359048, 675641, 1351282, 2702564, 5405128, 24998717, 49997434, 99994868, 199989736]

約数ペア:

[(1, 199989736), (2, 99994868), (4, 49997434), (8, 24998717), (37, 5405128), (74, 2702564), (148, 1351282), (296, 675641), (557, 359048), (1114, 179524), (1213, 164872), (2228, 89762), (2426, 82436), (4456, 44881), (4852, 41218), (9704, 20609)]