678013310

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{127207}}^1$

素因数の和:127268

約数の個数: 32

約数和(自身を含む): 1346369472

約数和(自身を除く): 668356162

約数列:

[1, 2, 5, 10, 13, 26, 41, 65, 82, 130, 205, 410, 533, 1066, 2665, 5330, 127207, 254414, 636035, 1272070, 1653691, 3307382, 5215487, 8268455, 10430974, 16536910, 26077435, 52154870, 67801331, 135602662, 339006655, 678013310]

約数ペア:

[(1, 678013310), (2, 339006655), (5, 135602662), (10, 67801331), (13, 52154870), (26, 26077435), (41, 16536910), (65, 10430974), (82, 8268455), (130, 5215487), (205, 3307382), (410, 1653691), (533, 1272070), (1066, 636035), (2665, 254414), (5330, 127207)]