31267312

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{631}}^1$

素因数の和:821

約数の個数: 40

約数和(自身を含む): 64261760

約数和(自身を除く): 32994448

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 163, 304, 326, 631, 652, 1262, 1304, 2524, 2608, 3097, 5048, 6194, 10096, 11989, 12388, 23978, 24776, 47956, 49552, 95912, 102853, 191824, 205706, 411412, 822824, 1645648, 1954207, 3908414, 7816828, 15633656, 31267312]

約数ペア:

[(1, 31267312), (2, 15633656), (4, 7816828), (8, 3908414), (16, 1954207), (19, 1645648), (38, 822824), (76, 411412), (152, 205706), (163, 191824), (304, 102853), (326, 95912), (631, 49552), (652, 47956), (1262, 24776), (1304, 23978), (2524, 12388), (2608, 11989), (3097, 10096), (5048, 6194)]