87157590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{223481}}^1$

素因数の和:223504

約数の個数: 32

約数和(自身を含む): 225269856

約数和(自身を除く): 138112266

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 223481, 446962, 670443, 1117405, 1340886, 2234810, 2905253, 3352215, 5810506, 6704430, 8715759, 14526265, 17431518, 29052530, 43578795, 87157590]

約数ペア:

[(1, 87157590), (2, 43578795), (3, 29052530), (5, 17431518), (6, 14526265), (10, 8715759), (13, 6704430), (15, 5810506), (26, 3352215), (30, 2905253), (39, 2234810), (65, 1340886), (78, 1117405), (130, 670443), (195, 446962), (390, 223481)]