208093990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{15541}}^1$

素因数の和:15664

約数の個数: 32

約数和(自身を含む): 407324736

約数和(自身を除く): 199230746

約数列:

[1, 2, 5, 10, 13, 26, 65, 103, 130, 206, 515, 1030, 1339, 2678, 6695, 13390, 15541, 31082, 77705, 155410, 202033, 404066, 1010165, 1600723, 2020330, 3201446, 8003615, 16007230, 20809399, 41618798, 104046995, 208093990]

約数ペア:

[(1, 208093990), (2, 104046995), (5, 41618798), (10, 20809399), (13, 16007230), (26, 8003615), (65, 3201446), (103, 2020330), (130, 1600723), (206, 1010165), (515, 404066), (1030, 202033), (1339, 155410), (2678, 77705), (6695, 31082), (13390, 15541)]