61988142965

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{709}}^1\times {\mathrm{1321}}^1$

素因数の和:2134

約数の個数: 64

約数和(自身を含む): 89386659840

約数和(自身を除く): 27398516875

約数列:

[1, 5, 7, 31, 35, 61, 155, 217, 305, 427, 709, 1085, 1321, 1891, 2135, 3545, 4963, 6605, 9247, 9455, 13237, 21979, 24815, 40951, 43249, 46235, 66185, 80581, 109895, 153853, 204755, 216245, 286657, 302743, 402905, 564067, 769265, 936589, 1340719, 1433285, 1513715, 2498011, 2820335, 4682945, 6556123, 6703595, 9385033, 12490055, 17486077, 29034259, 32780615, 46925165, 57131929, 87430385, 145171295, 203239813, 285659645, 399923503, 1016199065, 1771089799, 1999617515, 8855448995, 12397628593, 61988142965]

約数ペア:

[(1, 61988142965), (5, 12397628593), (7, 8855448995), (31, 1999617515), (35, 1771089799), (61, 1016199065), (155, 399923503), (217, 285659645), (305, 203239813), (427, 145171295), (709, 87430385), (1085, 57131929), (1321, 46925165), (1891, 32780615), (2135, 29034259), (3545, 17486077), (4963, 12490055), (6605, 9385033), (9247, 6703595), (9455, 6556123), (13237, 4682945), (21979, 2820335), (24815, 2498011), (40951, 1513715), (43249, 1433285), (46235, 1340719), (66185, 936589), (80581, 769265), (109895, 564067), (153853, 402905), (204755, 302743), (216245, 286657)]