131465810

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{193}}^1\times {\mathrm{263}}^1$

素因数の和:507

約数の個数: 64

約数和(自身を含む): 280253952

約数和(自身を除く): 148788142

約数列:

[1, 2, 5, 7, 10, 14, 35, 37, 70, 74, 185, 193, 259, 263, 370, 386, 518, 526, 965, 1295, 1315, 1351, 1841, 1930, 2590, 2630, 2702, 3682, 6755, 7141, 9205, 9731, 13510, 14282, 18410, 19462, 35705, 48655, 49987, 50759, 68117, 71410, 97310, 99974, 101518, 136234, 249935, 253795, 340585, 355313, 499870, 507590, 681170, 710626, 1776565, 1878083, 3553130, 3756166, 9390415, 13146581, 18780830, 26293162, 65732905, 131465810]

約数ペア:

[(1, 131465810), (2, 65732905), (5, 26293162), (7, 18780830), (10, 13146581), (14, 9390415), (35, 3756166), (37, 3553130), (70, 1878083), (74, 1776565), (185, 710626), (193, 681170), (259, 507590), (263, 499870), (370, 355313), (386, 340585), (518, 253795), (526, 249935), (965, 136234), (1295, 101518), (1315, 99974), (1351, 97310), (1841, 71410), (1930, 68117), (2590, 50759), (2630, 49987), (2702, 48655), (3682, 35705), (6755, 19462), (7141, 18410), (9205, 14282), (9731, 13510)]