276216479

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{271}}^1$

素因数の和:388

約数の個数: 48

約数和(自身を含む): 369119232

約数和(自身を除く): 92902753

約数列:

[1, 7, 11, 31, 49, 61, 77, 217, 271, 341, 427, 539, 671, 1519, 1891, 1897, 2387, 2981, 2989, 4697, 8401, 13237, 13279, 16531, 16709, 20801, 20867, 32879, 58807, 92411, 92659, 115717, 145607, 146069, 181841, 411649, 512461, 646877, 810019, 1019249, 1272887, 3587227, 4528139, 5637071, 8910209, 25110589, 39459497, 276216479]

約数ペア:

[(1, 276216479), (7, 39459497), (11, 25110589), (31, 8910209), (49, 5637071), (61, 4528139), (77, 3587227), (217, 1272887), (271, 1019249), (341, 810019), (427, 646877), (539, 512461), (671, 411649), (1519, 181841), (1891, 146069), (1897, 145607), (2387, 115717), (2981, 92659), (2989, 92411), (4697, 58807), (8401, 32879), (13237, 20867), (13279, 20801), (16531, 16709)]