263442010

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{971}}^1\times {\mathrm{2087}}^1$

素因数の和:3078

約数の個数: 32

約数和(自身を含む): 511443072

約数和(自身を除く): 248001062

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 971, 1942, 2087, 4174, 4855, 9710, 10435, 12623, 20870, 25246, 27131, 54262, 63115, 126230, 135655, 271310, 2026477, 4052954, 10132385, 20264770, 26344201, 52688402, 131721005, 263442010]

約数ペア:

[(1, 263442010), (2, 131721005), (5, 52688402), (10, 26344201), (13, 20264770), (26, 10132385), (65, 4052954), (130, 2026477), (971, 271310), (1942, 135655), (2087, 126230), (4174, 63115), (4855, 54262), (9710, 27131), (10435, 25246), (12623, 20870)]