204699170

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{42557}}^1$

素因数の和:42614

約数の個数: 32

約数和(自身を含む): 407535408

約数和(自身を除く): 202836238

約数列:

[1, 2, 5, 10, 13, 26, 37, 65, 74, 130, 185, 370, 481, 962, 2405, 4810, 42557, 85114, 212785, 425570, 553241, 1106482, 1574609, 2766205, 3149218, 5532410, 7873045, 15746090, 20469917, 40939834, 102349585, 204699170]

約数ペア:

[(1, 204699170), (2, 102349585), (5, 40939834), (10, 20469917), (13, 15746090), (26, 7873045), (37, 5532410), (65, 3149218), (74, 2766205), (130, 1574609), (185, 1106482), (370, 553241), (481, 425570), (962, 212785), (2405, 85114), (4810, 42557)]