31971550

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{487}}^1$

素因数の和:613

約数の個数: 48

約数和(自身を含む): 64808352

約数和(自身を除く): 32836802

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 101, 130, 202, 325, 487, 505, 650, 974, 1010, 1313, 2435, 2525, 2626, 4870, 5050, 6331, 6565, 12175, 12662, 13130, 24350, 31655, 32825, 49187, 63310, 65650, 98374, 158275, 245935, 316550, 491870, 639431, 1229675, 1278862, 2459350, 3197155, 6394310, 15985775, 31971550]

約数ペア:

[(1, 31971550), (2, 15985775), (5, 6394310), (10, 3197155), (13, 2459350), (25, 1278862), (26, 1229675), (50, 639431), (65, 491870), (101, 316550), (130, 245935), (202, 158275), (325, 98374), (487, 65650), (505, 63310), (650, 49187), (974, 32825), (1010, 31655), (1313, 24350), (2435, 13130), (2525, 12662), (2626, 12175), (4870, 6565), (5050, 6331)]