1997651238

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{563}}^1\times {\mathrm{1453}}^1$

素因数の和:2069

約数の個数: 64

約数和(自身を含む): 4487346432

約数和(自身を除く): 2489695194

約数列:

[1, 2, 3, 6, 11, 22, 33, 37, 66, 74, 111, 222, 407, 563, 814, 1126, 1221, 1453, 1689, 2442, 2906, 3378, 4359, 6193, 8718, 12386, 15983, 18579, 20831, 31966, 37158, 41662, 47949, 53761, 62493, 95898, 107522, 124986, 161283, 229141, 322566, 458282, 591371, 687423, 818039, 1182742, 1374846, 1636078, 1774113, 2454117, 3548226, 4908234, 8998429, 17996858, 26995287, 30267443, 53990574, 60534886, 90802329, 181604658, 332941873, 665883746, 998825619, 1997651238]

約数ペア:

[(1, 1997651238), (2, 998825619), (3, 665883746), (6, 332941873), (11, 181604658), (22, 90802329), (33, 60534886), (37, 53990574), (66, 30267443), (74, 26995287), (111, 17996858), (222, 8998429), (407, 4908234), (563, 3548226), (814, 2454117), (1126, 1774113), (1221, 1636078), (1453, 1374846), (1689, 1182742), (2442, 818039), (2906, 687423), (3378, 591371), (4359, 458282), (6193, 322566), (8718, 229141), (12386, 161283), (15983, 124986), (18579, 107522), (20831, 95898), (31966, 62493), (37158, 53761), (41662, 47949)]