2251990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1019}}^1$

素因数の和:1056

約数の個数: 32

約数和(自身を含む): 4626720

約数和(自身を除く): 2374730

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1019, 1105, 2038, 2210, 5095, 10190, 13247, 17323, 26494, 34646, 66235, 86615, 132470, 173230, 225199, 450398, 1125995, 2251990]

約数ペア:

[(1, 2251990), (2, 1125995), (5, 450398), (10, 225199), (13, 173230), (17, 132470), (26, 86615), (34, 66235), (65, 34646), (85, 26494), (130, 17323), (170, 13247), (221, 10190), (442, 5095), (1019, 2210), (1105, 2038)]