251019152

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{4643}}^1$

素因数の和:4791

約数の個数: 40

約数和(自身を含む): 506753280

約数和(自身を除く): 255734128

約数列:

[1, 2, 4, 8, 16, 31, 62, 109, 124, 218, 248, 436, 496, 872, 1744, 3379, 4643, 6758, 9286, 13516, 18572, 27032, 37144, 54064, 74288, 143933, 287866, 506087, 575732, 1012174, 1151464, 2024348, 2302928, 4048696, 8097392, 15688697, 31377394, 62754788, 125509576, 251019152]

約数ペア:

[(1, 251019152), (2, 125509576), (4, 62754788), (8, 31377394), (16, 15688697), (31, 8097392), (62, 4048696), (109, 2302928), (124, 2024348), (218, 1151464), (248, 1012174), (436, 575732), (496, 506087), (872, 287866), (1744, 143933), (3379, 74288), (4643, 54064), (6758, 37144), (9286, 27032), (13516, 18572)]