209901128

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{179}}^1\times {\mathrm{6373}}^1$

素因数の和:6581

約数の個数: 32

約数和(自身を含む): 413035200

約数和(自身を除く): 203134072

約数列:

[1, 2, 4, 8, 23, 46, 92, 179, 184, 358, 716, 1432, 4117, 6373, 8234, 12746, 16468, 25492, 32936, 50984, 146579, 293158, 586316, 1140767, 1172632, 2281534, 4563068, 9126136, 26237641, 52475282, 104950564, 209901128]

約数ペア:

[(1, 209901128), (2, 104950564), (4, 52475282), (8, 26237641), (23, 9126136), (46, 4563068), (92, 2281534), (179, 1172632), (184, 1140767), (358, 586316), (716, 293158), (1432, 146579), (4117, 50984), (6373, 32936), (8234, 25492), (12746, 16468)]