25780636

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1321}}^1$

素因数の和:1390

約数の個数: 48

約数和(自身を含む): 55968192

約数和(自身を除く): 30187556

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 41, 68, 82, 119, 164, 238, 287, 476, 574, 697, 1148, 1321, 1394, 2642, 2788, 4879, 5284, 9247, 9758, 18494, 19516, 22457, 36988, 44914, 54161, 89828, 108322, 157199, 216644, 314398, 379127, 628796, 758254, 920737, 1516508, 1841474, 3682948, 6445159, 12890318, 25780636]

約数ペア:

[(1, 25780636), (2, 12890318), (4, 6445159), (7, 3682948), (14, 1841474), (17, 1516508), (28, 920737), (34, 758254), (41, 628796), (68, 379127), (82, 314398), (119, 216644), (164, 157199), (238, 108322), (287, 89828), (476, 54161), (574, 44914), (697, 36988), (1148, 22457), (1321, 19516), (1394, 18494), (2642, 9758), (2788, 9247), (4879, 5284)]