639431088

素因数分解:

$2^4\times 3^1\times {\mathrm{13321481}}^1$

素因数の和:13321492

約数の個数: 20

約数和(自身を含む): 1651863768

約数和(自身を除く): 1012432680

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 13321481, 26642962, 39964443, 53285924, 79928886, 106571848, 159857772, 213143696, 319715544, 639431088]

約数ペア:

[(1, 639431088), (2, 319715544), (3, 213143696), (4, 159857772), (6, 106571848), (8, 79928886), (12, 53285924), (16, 39964443), (24, 26642962), (48, 13321481)]