401218784

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{2969}}^1$

素因数の和:3123

約数の個数: 48

約数和(自身を含む): 817296480

約数和(自身を除く): 416077696

約数列:

[1, 2, 4, 8, 16, 32, 41, 82, 103, 164, 206, 328, 412, 656, 824, 1312, 1648, 2969, 3296, 4223, 5938, 8446, 11876, 16892, 23752, 33784, 47504, 67568, 95008, 121729, 135136, 243458, 305807, 486916, 611614, 973832, 1223228, 1947664, 2446456, 3895328, 4892912, 9785824, 12538087, 25076174, 50152348, 100304696, 200609392, 401218784]

約数ペア:

[(1, 401218784), (2, 200609392), (4, 100304696), (8, 50152348), (16, 25076174), (32, 12538087), (41, 9785824), (82, 4892912), (103, 3895328), (164, 2446456), (206, 1947664), (328, 1223228), (412, 973832), (656, 611614), (824, 486916), (1312, 305807), (1648, 243458), (2969, 135136), (3296, 121729), (4223, 95008), (5938, 67568), (8446, 47504), (11876, 33784), (16892, 23752)]