7828931890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1\times {\mathrm{7559}}^1$

素因数の和:7867

約数の個数: 64

約数和(自身を含む): 15728670720

約数和(自身を除く): 7899738830

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 257, 310, 403, 514, 806, 1285, 2015, 2570, 3341, 4030, 6682, 7559, 7967, 15118, 15934, 16705, 33410, 37795, 39835, 75590, 79670, 98267, 103571, 196534, 207142, 234329, 468658, 491335, 517855, 982670, 1035710, 1171645, 1942663, 2343290, 3046277, 3885326, 6092554, 9713315, 15231385, 19426630, 25254619, 30462770, 50509238, 60222553, 120445106, 126273095, 252546190, 301112765, 602225530, 782893189, 1565786378, 3914465945, 7828931890]

約数ペア:

[(1, 7828931890), (2, 3914465945), (5, 1565786378), (10, 782893189), (13, 602225530), (26, 301112765), (31, 252546190), (62, 126273095), (65, 120445106), (130, 60222553), (155, 50509238), (257, 30462770), (310, 25254619), (403, 19426630), (514, 15231385), (806, 9713315), (1285, 6092554), (2015, 3885326), (2570, 3046277), (3341, 2343290), (4030, 1942663), (6682, 1171645), (7559, 1035710), (7967, 982670), (15118, 517855), (15934, 491335), (16705, 468658), (33410, 234329), (37795, 207142), (39835, 196534), (75590, 103571), (79670, 98267)]