261080176

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{2357}}^1$

素因数の和:2438

約数の個数: 80

約数和(自身を含む): 617531904

約数和(自身を除く): 356451728

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 43, 46, 56, 86, 92, 112, 161, 172, 184, 301, 322, 344, 368, 602, 644, 688, 989, 1204, 1288, 1978, 2357, 2408, 2576, 3956, 4714, 4816, 6923, 7912, 9428, 13846, 15824, 16499, 18856, 27692, 32998, 37712, 54211, 55384, 65996, 101351, 108422, 110768, 131992, 202702, 216844, 263984, 379477, 405404, 433688, 709457, 758954, 810808, 867376, 1418914, 1517908, 1621616, 2331073, 2837828, 3035816, 4662146, 5675656, 6071632, 9324292, 11351312, 16317511, 18648584, 32635022, 37297168, 65270044, 130540088, 261080176]

約数ペア:

[(1, 261080176), (2, 130540088), (4, 65270044), (7, 37297168), (8, 32635022), (14, 18648584), (16, 16317511), (23, 11351312), (28, 9324292), (43, 6071632), (46, 5675656), (56, 4662146), (86, 3035816), (92, 2837828), (112, 2331073), (161, 1621616), (172, 1517908), (184, 1418914), (301, 867376), (322, 810808), (344, 758954), (368, 709457), (602, 433688), (644, 405404), (688, 379477), (989, 263984), (1204, 216844), (1288, 202702), (1978, 131992), (2357, 110768), (2408, 108422), (2576, 101351), (3956, 65996), (4714, 55384), (4816, 54211), (6923, 37712), (7912, 32998), (9428, 27692), (13846, 18856), (15824, 16499)]