28291238248

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{377297}}^1$

素因数の和:377426

約数の個数: 64

約数和(自身を含む): 65921506560

約数和(自身を除く): 37630268312

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 103, 104, 182, 206, 364, 412, 721, 728, 824, 1339, 1442, 2678, 2884, 5356, 5768, 9373, 10712, 18746, 37492, 74984, 377297, 754594, 1509188, 2641079, 3018376, 4904861, 5282158, 9809722, 10564316, 19619444, 21128632, 34334027, 38861591, 39238888, 68668054, 77723182, 137336108, 155446364, 272031137, 274672216, 310892728, 505200683, 544062274, 1010401366, 1088124548, 2020802732, 2176249096, 3536404781, 4041605464, 7072809562, 14145619124, 28291238248]

約数ペア:

[(1, 28291238248), (2, 14145619124), (4, 7072809562), (7, 4041605464), (8, 3536404781), (13, 2176249096), (14, 2020802732), (26, 1088124548), (28, 1010401366), (52, 544062274), (56, 505200683), (91, 310892728), (103, 274672216), (104, 272031137), (182, 155446364), (206, 137336108), (364, 77723182), (412, 68668054), (721, 39238888), (728, 38861591), (824, 34334027), (1339, 21128632), (1442, 19619444), (2678, 10564316), (2884, 9809722), (5356, 5282158), (5768, 4904861), (9373, 3018376), (10712, 2641079), (18746, 1509188), (37492, 754594), (74984, 377297)]