28191990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{719}}^1\times {\mathrm{1307}}^1$

素因数の和:2036

約数の個数: 32

約数和(自身を含む): 67806720

約数和(自身を除く): 39614730

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 719, 1307, 1438, 2157, 2614, 3595, 3921, 4314, 6535, 7190, 7842, 10785, 13070, 19605, 21570, 39210, 939733, 1879466, 2819199, 4698665, 5638398, 9397330, 14095995, 28191990]

約数ペア:

[(1, 28191990), (2, 14095995), (3, 9397330), (5, 5638398), (6, 4698665), (10, 2819199), (15, 1879466), (30, 939733), (719, 39210), (1307, 21570), (1438, 19605), (2157, 13070), (2614, 10785), (3595, 7842), (3921, 7190), (4314, 6535)]