205005654

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{293}}^1\times {\mathrm{617}}^1$

素因数の和:931

約数の個数: 80

約数和(自身を含む): 527633568

約数和(自身を除く): 322627914

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 126, 162, 189, 293, 378, 567, 586, 617, 879, 1134, 1234, 1758, 1851, 2051, 2637, 3702, 4102, 4319, 5274, 5553, 6153, 7911, 8638, 11106, 12306, 12957, 15822, 16659, 18459, 23733, 25914, 33318, 36918, 38871, 47466, 49977, 55377, 77742, 99954, 110754, 116613, 166131, 180781, 233226, 332262, 349839, 361562, 542343, 699678, 1084686, 1265467, 1627029, 2530934, 3254058, 3796401, 4881087, 7592802, 9762174, 11389203, 14643261, 22778406, 29286522, 34167609, 68335218, 102502827, 205005654]

約数ペア:

[(1, 205005654), (2, 102502827), (3, 68335218), (6, 34167609), (7, 29286522), (9, 22778406), (14, 14643261), (18, 11389203), (21, 9762174), (27, 7592802), (42, 4881087), (54, 3796401), (63, 3254058), (81, 2530934), (126, 1627029), (162, 1265467), (189, 1084686), (293, 699678), (378, 542343), (567, 361562), (586, 349839), (617, 332262), (879, 233226), (1134, 180781), (1234, 166131), (1758, 116613), (1851, 110754), (2051, 99954), (2637, 77742), (3702, 55377), (4102, 49977), (4319, 47466), (5274, 38871), (5553, 36918), (6153, 33318), (7911, 25914), (8638, 23733), (11106, 18459), (12306, 16659), (12957, 15822)]