818616890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{12323}}^1$

素因数の和:12423

約数の個数: 64

約数和(自身を含む): 1838543616

約数和(自身を除く): 1019926726

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 73, 91, 130, 146, 182, 365, 455, 511, 730, 910, 949, 1022, 1898, 2555, 4745, 5110, 6643, 9490, 12323, 13286, 24646, 33215, 61615, 66430, 86261, 123230, 160199, 172522, 320398, 431305, 800995, 862610, 899579, 1121393, 1601990, 1799158, 2242786, 4497895, 5606965, 6297053, 8995790, 11213930, 11694527, 12594106, 23389054, 31485265, 58472635, 62970530, 81861689, 116945270, 163723378, 409308445, 818616890]

約数ペア:

[(1, 818616890), (2, 409308445), (5, 163723378), (7, 116945270), (10, 81861689), (13, 62970530), (14, 58472635), (26, 31485265), (35, 23389054), (65, 12594106), (70, 11694527), (73, 11213930), (91, 8995790), (130, 6297053), (146, 5606965), (182, 4497895), (365, 2242786), (455, 1799158), (511, 1601990), (730, 1121393), (910, 899579), (949, 862610), (1022, 800995), (1898, 431305), (2555, 320398), (4745, 172522), (5110, 160199), (6643, 123230), (9490, 86261), (12323, 66430), (13286, 61615), (24646, 33215)]