248554410

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{637319}}^1$

素因数の和:637342

約数の個数: 32

約数和(自身を含む): 642418560

約数和(自身を除く): 393864150

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 637319, 1274638, 1911957, 3186595, 3823914, 6373190, 8285147, 9559785, 16570294, 19119570, 24855441, 41425735, 49710882, 82851470, 124277205, 248554410]

約数ペア:

[(1, 248554410), (2, 124277205), (3, 82851470), (5, 49710882), (6, 41425735), (10, 24855441), (13, 19119570), (15, 16570294), (26, 9559785), (30, 8285147), (39, 6373190), (65, 3823914), (78, 3186595), (130, 1911957), (195, 1274638), (390, 637319)]