204742408

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{23719}}^1$

素因数の和:23821

約数の個数: 32

約数和(自身を含む): 418420800

約数和(自身を除く): 213678392

約数列:

[1, 2, 4, 8, 13, 26, 52, 83, 104, 166, 332, 664, 1079, 2158, 4316, 8632, 23719, 47438, 94876, 189752, 308347, 616694, 1233388, 1968677, 2466776, 3937354, 7874708, 15749416, 25592801, 51185602, 102371204, 204742408]

約数ペア:

[(1, 204742408), (2, 102371204), (4, 51185602), (8, 25592801), (13, 15749416), (26, 7874708), (52, 3937354), (83, 2466776), (104, 1968677), (166, 1233388), (332, 616694), (664, 308347), (1079, 189752), (2158, 94876), (4316, 47438), (8632, 23719)]