31614830

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^3\times {\mathrm{1439}}^1$

素因数の和:1485

約数の個数: 32

約数和(自身を含む): 61689600

約数和(自身を除く): 30074770

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1439, 1690, 2197, 2878, 4394, 7195, 10985, 14390, 18707, 21970, 37414, 93535, 187070, 243191, 486382, 1215955, 2431910, 3161483, 6322966, 15807415, 31614830]

約数ペア:

[(1, 31614830), (2, 15807415), (5, 6322966), (10, 3161483), (13, 2431910), (26, 1215955), (65, 486382), (130, 243191), (169, 187070), (338, 93535), (845, 37414), (1439, 21970), (1690, 18707), (2197, 14390), (2878, 10985), (4394, 7195)]