438394840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{843067}}^1$

素因数の和:843091

約数の個数: 32

約数和(自身を含む): 1062265680

約数和(自身を除く): 623870840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 843067, 1686134, 3372268, 4215335, 6744536, 8430670, 10959871, 16861340, 21919742, 33722680, 43839484, 54799355, 87678968, 109598710, 219197420, 438394840]

約数ペア:

[(1, 438394840), (2, 219197420), (4, 109598710), (5, 87678968), (8, 54799355), (10, 43839484), (13, 33722680), (20, 21919742), (26, 16861340), (40, 10959871), (52, 8430670), (65, 6744536), (104, 4215335), (130, 3372268), (260, 1686134), (520, 843067)]