4387752005

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{239}}^1\times {\mathrm{257}}^1$

素因数の和:678

約数の個数: 64

約数和(自身を含む): 6574417920

約数和(自身を除く): 2186665915

約数列:

[1, 5, 7, 13, 35, 65, 91, 157, 239, 257, 455, 785, 1099, 1195, 1285, 1673, 1799, 2041, 3107, 3341, 5495, 8365, 8995, 10205, 14287, 15535, 16705, 21749, 23387, 37523, 40349, 61423, 71435, 108745, 116935, 187615, 201745, 262661, 282443, 307115, 429961, 487799, 524537, 798499, 1313305, 1412215, 2149805, 2438995, 2622685, 3414593, 3671759, 3992495, 5589493, 9643411, 17072965, 18358795, 27947465, 48217055, 67503877, 125364343, 337519385, 626821715, 877550401, 4387752005]

約数ペア:

[(1, 4387752005), (5, 877550401), (7, 626821715), (13, 337519385), (35, 125364343), (65, 67503877), (91, 48217055), (157, 27947465), (239, 18358795), (257, 17072965), (455, 9643411), (785, 5589493), (1099, 3992495), (1195, 3671759), (1285, 3414593), (1673, 2622685), (1799, 2438995), (2041, 2149805), (3107, 1412215), (3341, 1313305), (5495, 798499), (8365, 524537), (8995, 487799), (10205, 429961), (14287, 307115), (15535, 282443), (16705, 262661), (21749, 201745), (23387, 187615), (37523, 116935), (40349, 108745), (61423, 71435)]