64738928

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{197}}^1$

素因数の和:294

約数の個数: 80

約数和(自身を含む): 141419520

約数和(自身を除く): 76680592

約数列:

[1, 2, 4, 8, 16, 19, 23, 38, 46, 47, 76, 92, 94, 152, 184, 188, 197, 304, 368, 376, 394, 437, 752, 788, 874, 893, 1081, 1576, 1748, 1786, 2162, 3152, 3496, 3572, 3743, 4324, 4531, 6992, 7144, 7486, 8648, 9062, 9259, 14288, 14972, 17296, 18124, 18518, 20539, 29944, 36248, 37036, 41078, 59888, 72496, 74072, 82156, 86089, 148144, 164312, 172178, 175921, 212957, 328624, 344356, 351842, 425914, 688712, 703684, 851828, 1377424, 1407368, 1703656, 2814736, 3407312, 4046183, 8092366, 16184732, 32369464, 64738928]

約数ペア:

[(1, 64738928), (2, 32369464), (4, 16184732), (8, 8092366), (16, 4046183), (19, 3407312), (23, 2814736), (38, 1703656), (46, 1407368), (47, 1377424), (76, 851828), (92, 703684), (94, 688712), (152, 425914), (184, 351842), (188, 344356), (197, 328624), (304, 212957), (368, 175921), (376, 172178), (394, 164312), (437, 148144), (752, 86089), (788, 82156), (874, 74072), (893, 72496), (1081, 59888), (1576, 41078), (1748, 37036), (1786, 36248), (2162, 29944), (3152, 20539), (3496, 18518), (3572, 18124), (3743, 17296), (4324, 14972), (4531, 14288), (6992, 9259), (7144, 9062), (7486, 8648)]