1247996865

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{191}}^1\times {\mathrm{193}}^1$

素因数の和:490

約数の個数: 64

約数和(自身を含む): 2106150912

約数和(自身を除く): 858154047

約数列:

[1, 3, 5, 15, 37, 61, 111, 183, 185, 191, 193, 305, 555, 573, 579, 915, 955, 965, 2257, 2865, 2895, 6771, 7067, 7141, 11285, 11651, 11773, 21201, 21423, 33855, 34953, 35319, 35335, 35705, 36863, 58255, 58865, 106005, 107115, 110589, 174765, 176595, 184315, 431087, 435601, 552945, 1293261, 1306803, 1363931, 2155435, 2178005, 2248643, 4091793, 6466305, 6534015, 6745929, 6819655, 11243215, 20458965, 33729645, 83199791, 249599373, 415998955, 1247996865]

約数ペア:

[(1, 1247996865), (3, 415998955), (5, 249599373), (15, 83199791), (37, 33729645), (61, 20458965), (111, 11243215), (183, 6819655), (185, 6745929), (191, 6534015), (193, 6466305), (305, 4091793), (555, 2248643), (573, 2178005), (579, 2155435), (915, 1363931), (955, 1306803), (965, 1293261), (2257, 552945), (2865, 435601), (2895, 431087), (6771, 184315), (7067, 176595), (7141, 174765), (11285, 110589), (11651, 107115), (11773, 106005), (21201, 58865), (21423, 58255), (33855, 36863), (34953, 35705), (35319, 35335)]