161902910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1109}}^1\times {\mathrm{1123}}^1$

素因数の和:2252

約数の個数: 32

約数和(自身を含む): 314405280

約数和(自身を除く): 152502370

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 1109, 1123, 2218, 2246, 5545, 5615, 11090, 11230, 14417, 14599, 28834, 29198, 72085, 72995, 144170, 145990, 1245407, 2490814, 6227035, 12454070, 16190291, 32380582, 80951455, 161902910]

約数ペア:

[(1, 161902910), (2, 80951455), (5, 32380582), (10, 16190291), (13, 12454070), (26, 6227035), (65, 2490814), (130, 1245407), (1109, 145990), (1123, 144170), (2218, 72995), (2246, 72085), (5545, 29198), (5615, 28834), (11090, 14599), (11230, 14417)]