31978292

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{467}}^1$

素因数の和:560

約数の個数: 48

約数和(自身を含む): 63685440

約数和(自身を除く): 31707148

約数列:

[1, 2, 4, 17, 19, 34, 38, 53, 68, 76, 106, 212, 323, 467, 646, 901, 934, 1007, 1292, 1802, 1868, 2014, 3604, 4028, 7939, 8873, 15878, 17119, 17746, 24751, 31756, 34238, 35492, 49502, 68476, 99004, 150841, 301682, 420767, 470269, 603364, 841534, 940538, 1683068, 1881076, 7994573, 15989146, 31978292]

約数ペア:

[(1, 31978292), (2, 15989146), (4, 7994573), (17, 1881076), (19, 1683068), (34, 940538), (38, 841534), (53, 603364), (68, 470269), (76, 420767), (106, 301682), (212, 150841), (323, 99004), (467, 68476), (646, 49502), (901, 35492), (934, 34238), (1007, 31756), (1292, 24751), (1802, 17746), (1868, 17119), (2014, 15878), (3604, 8873), (4028, 7939)]