381193618

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{2389}}^1$

素因数の和:2459

約数の個数: 48

約数和(自身を含む): 688406040

約数和(自身を除く): 307212422

約数列:

[1, 2, 13, 17, 19, 26, 34, 38, 221, 247, 323, 361, 442, 494, 646, 722, 2389, 4199, 4693, 4778, 6137, 8398, 9386, 12274, 31057, 40613, 45391, 62114, 79781, 81226, 90782, 159562, 527969, 590083, 771647, 862429, 1055938, 1180166, 1543294, 1724858, 10031411, 11211577, 14661293, 20062822, 22423154, 29322586, 190596809, 381193618]

約数ペア:

[(1, 381193618), (2, 190596809), (13, 29322586), (17, 22423154), (19, 20062822), (26, 14661293), (34, 11211577), (38, 10031411), (221, 1724858), (247, 1543294), (323, 1180166), (361, 1055938), (442, 862429), (494, 771647), (646, 590083), (722, 527969), (2389, 159562), (4199, 90782), (4693, 81226), (4778, 79781), (6137, 62114), (8398, 45391), (9386, 40613), (12274, 31057)]