489610156

素因数分解:

$2^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{1321}}^1$

素因数の和:1431

約数の個数: 72

約数和(自身を含む): 1046516352

約数和(自身を除く): 556906196

約数列:

[1, 2, 4, 7, 14, 28, 31, 49, 61, 62, 98, 122, 124, 196, 217, 244, 427, 434, 854, 868, 1321, 1519, 1708, 1891, 2642, 2989, 3038, 3782, 5284, 5978, 6076, 7564, 9247, 11956, 13237, 18494, 26474, 36988, 40951, 52948, 64729, 80581, 81902, 92659, 129458, 161162, 163804, 185318, 258916, 286657, 322324, 370636, 564067, 573314, 1128134, 1146628, 2006599, 2256268, 2498011, 3948469, 4013198, 4996022, 7896938, 8026396, 9992044, 15793876, 17486077, 34972154, 69944308, 122402539, 244805078, 489610156]

約数ペア:

[(1, 489610156), (2, 244805078), (4, 122402539), (7, 69944308), (14, 34972154), (28, 17486077), (31, 15793876), (49, 9992044), (61, 8026396), (62, 7896938), (98, 4996022), (122, 4013198), (124, 3948469), (196, 2498011), (217, 2256268), (244, 2006599), (427, 1146628), (434, 1128134), (854, 573314), (868, 564067), (1321, 370636), (1519, 322324), (1708, 286657), (1891, 258916), (2642, 185318), (2989, 163804), (3038, 161162), (3782, 129458), (5284, 92659), (5978, 81902), (6076, 80581), (7564, 64729), (9247, 52948), (11956, 40951), (13237, 36988), (18494, 26474)]