2665278

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{641}}^1$

素因数の和:670

約数の個数: 64

約数和(自身を含む): 7395840

約数和(自身を除く): 4730562

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 27, 33, 42, 54, 63, 66, 77, 99, 126, 154, 189, 198, 231, 297, 378, 462, 594, 641, 693, 1282, 1386, 1923, 2079, 3846, 4158, 4487, 5769, 7051, 8974, 11538, 13461, 14102, 17307, 21153, 26922, 34614, 40383, 42306, 49357, 63459, 80766, 98714, 121149, 126918, 148071, 190377, 242298, 296142, 380754, 444213, 888426, 1332639, 2665278]

約数ペア:

[(1, 2665278), (2, 1332639), (3, 888426), (6, 444213), (7, 380754), (9, 296142), (11, 242298), (14, 190377), (18, 148071), (21, 126918), (22, 121149), (27, 98714), (33, 80766), (42, 63459), (54, 49357), (63, 42306), (66, 40383), (77, 34614), (99, 26922), (126, 21153), (154, 17307), (189, 14102), (198, 13461), (231, 11538), (297, 8974), (378, 7051), (462, 5769), (594, 4487), (641, 4158), (693, 3846), (1282, 2079), (1386, 1923)]