38880904

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{67}}^1\times {\mathrm{251}}^1$

素因数の和:358

約数の個数: 48

約数和(自身を含む): 78911280

約数和(自身を除く): 40030376

約数列:

[1, 2, 4, 8, 17, 34, 67, 68, 134, 136, 251, 268, 289, 502, 536, 578, 1004, 1139, 1156, 2008, 2278, 2312, 4267, 4556, 8534, 9112, 16817, 17068, 19363, 33634, 34136, 38726, 67268, 72539, 77452, 134536, 145078, 154904, 285889, 290156, 571778, 580312, 1143556, 2287112, 4860113, 9720226, 19440452, 38880904]

約数ペア:

[(1, 38880904), (2, 19440452), (4, 9720226), (8, 4860113), (17, 2287112), (34, 1143556), (67, 580312), (68, 571778), (134, 290156), (136, 285889), (251, 154904), (268, 145078), (289, 134536), (502, 77452), (536, 72539), (578, 67268), (1004, 38726), (1139, 34136), (1156, 33634), (2008, 19363), (2278, 17068), (2312, 16817), (4267, 9112), (4556, 8534)]