1489631390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{719}}^1\times {\mathrm{15937}}^1$

素因数の和:16676

約数の個数: 32

約数和(自身を含む): 2891790720

約数和(自身を除く): 1402159330

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 719, 1438, 3595, 7190, 9347, 15937, 18694, 31874, 46735, 79685, 93470, 159370, 207181, 414362, 1035905, 2071810, 11458703, 22917406, 57293515, 114587030, 148963139, 297926278, 744815695, 1489631390]

約数ペア:

[(1, 1489631390), (2, 744815695), (5, 297926278), (10, 148963139), (13, 114587030), (26, 57293515), (65, 22917406), (130, 11458703), (719, 2071810), (1438, 1035905), (3595, 414362), (7190, 207181), (9347, 159370), (15937, 93470), (18694, 79685), (31874, 46735)]