131261828

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{41}}^1\times {\mathrm{89}}^1$

素因数の和:197

約数の個数: 72

約数和(自身を含む): 263382840

約数和(自身を除く): 132121012

約数列:

[1, 2, 4, 17, 23, 34, 41, 46, 68, 82, 89, 92, 164, 178, 356, 391, 529, 697, 782, 943, 1058, 1394, 1513, 1564, 1886, 2047, 2116, 2788, 3026, 3649, 3772, 4094, 6052, 7298, 8188, 8993, 14596, 16031, 17986, 21689, 32062, 34799, 35972, 43378, 47081, 62033, 64124, 69598, 83927, 86756, 94162, 124066, 139196, 167854, 188324, 248132, 335708, 368713, 737426, 800377, 1426759, 1474852, 1600754, 1930321, 2853518, 3201508, 3860642, 5707036, 7721284, 32815457, 65630914, 131261828]

約数ペア:

[(1, 131261828), (2, 65630914), (4, 32815457), (17, 7721284), (23, 5707036), (34, 3860642), (41, 3201508), (46, 2853518), (68, 1930321), (82, 1600754), (89, 1474852), (92, 1426759), (164, 800377), (178, 737426), (356, 368713), (391, 335708), (529, 248132), (697, 188324), (782, 167854), (943, 139196), (1058, 124066), (1394, 94162), (1513, 86756), (1564, 83927), (1886, 69598), (2047, 64124), (2116, 62033), (2788, 47081), (3026, 43378), (3649, 35972), (3772, 34799), (4094, 32062), (6052, 21689), (7298, 17986), (8188, 16031), (8993, 14596)]