31204030

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{21821}}^1$

素因数の和:21852

約数の個数: 32

約数和(自身を含む): 65989728

約数和(自身を除く): 34785698

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 21821, 43642, 109105, 218210, 240031, 283673, 480062, 567346, 1200155, 1418365, 2400310, 2836730, 3120403, 6240806, 15602015, 31204030]

約数ペア:

[(1, 31204030), (2, 15602015), (5, 6240806), (10, 3120403), (11, 2836730), (13, 2400310), (22, 1418365), (26, 1200155), (55, 567346), (65, 480062), (110, 283673), (130, 240031), (143, 218210), (286, 109105), (715, 43642), (1430, 21821)]