1488890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{881}}^1$

素因数の和:914

約数の個数: 24

約数和(自身を含む): 2905308

約数和(自身を除く): 1416418

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 881, 1690, 1762, 4405, 8810, 11453, 22906, 57265, 114530, 148889, 297778, 744445, 1488890]

約数ペア:

[(1, 1488890), (2, 744445), (5, 297778), (10, 148889), (13, 114530), (26, 57265), (65, 22906), (130, 11453), (169, 8810), (338, 4405), (845, 1762), (881, 1690)]