31911906

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{353}}^1$

素因数の和:451

約数の個数: 64

約数和(自身を含む): 73745280

約数和(自身を除く): 41833374

約数列:

[1, 2, 3, 6, 13, 19, 26, 38, 39, 57, 61, 78, 114, 122, 183, 247, 353, 366, 494, 706, 741, 793, 1059, 1159, 1482, 1586, 2118, 2318, 2379, 3477, 4589, 4758, 6707, 6954, 9178, 13414, 13767, 15067, 20121, 21533, 27534, 30134, 40242, 43066, 45201, 64599, 87191, 90402, 129198, 174382, 261573, 279929, 409127, 523146, 559858, 818254, 839787, 1227381, 1679574, 2454762, 5318651, 10637302, 15955953, 31911906]

約数ペア:

[(1, 31911906), (2, 15955953), (3, 10637302), (6, 5318651), (13, 2454762), (19, 1679574), (26, 1227381), (38, 839787), (39, 818254), (57, 559858), (61, 523146), (78, 409127), (114, 279929), (122, 261573), (183, 174382), (247, 129198), (353, 90402), (366, 87191), (494, 64599), (706, 45201), (741, 43066), (793, 40242), (1059, 30134), (1159, 27534), (1482, 21533), (1586, 20121), (2118, 15067), (2318, 13767), (2379, 13414), (3477, 9178), (4589, 6954), (4758, 6707)]