261749292

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{2221}}^1$

素因数の和:2319

約数の個数: 96

約数和(自身を含む): 740619264

約数和(自身を除く): 478869972

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 23, 28, 42, 46, 61, 69, 84, 92, 122, 138, 161, 183, 244, 276, 322, 366, 427, 483, 644, 732, 854, 966, 1281, 1403, 1708, 1932, 2221, 2562, 2806, 4209, 4442, 5124, 5612, 6663, 8418, 8884, 9821, 13326, 15547, 16836, 19642, 26652, 29463, 31094, 39284, 46641, 51083, 58926, 62188, 93282, 102166, 117852, 135481, 153249, 186564, 204332, 270962, 306498, 357581, 406443, 541924, 612996, 715162, 812886, 948367, 1072743, 1430324, 1625772, 1896734, 2145486, 2845101, 3116063, 3793468, 4290972, 5690202, 6232126, 9348189, 11380404, 12464252, 18696378, 21812441, 37392756, 43624882, 65437323, 87249764, 130874646, 261749292]

約数ペア:

[(1, 261749292), (2, 130874646), (3, 87249764), (4, 65437323), (6, 43624882), (7, 37392756), (12, 21812441), (14, 18696378), (21, 12464252), (23, 11380404), (28, 9348189), (42, 6232126), (46, 5690202), (61, 4290972), (69, 3793468), (84, 3116063), (92, 2845101), (122, 2145486), (138, 1896734), (161, 1625772), (183, 1430324), (244, 1072743), (276, 948367), (322, 812886), (366, 715162), (427, 612996), (483, 541924), (644, 406443), (732, 357581), (854, 306498), (966, 270962), (1281, 204332), (1403, 186564), (1708, 153249), (1932, 135481), (2221, 117852), (2562, 102166), (2806, 93282), (4209, 62188), (4442, 58926), (5124, 51083), (5612, 46641), (6663, 39284), (8418, 31094), (8884, 29463), (9821, 26652), (13326, 19642), (15547, 16836)]