261254856

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1\times {\mathrm{1399}}^1$

素因数の和:1690

約数の個数: 64

約数和(自身を含む): 677376000

約数和(自身を除く): 416121144

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 62, 93, 124, 186, 248, 251, 372, 502, 744, 753, 1004, 1399, 1506, 2008, 2798, 3012, 4197, 5596, 6024, 7781, 8394, 11192, 15562, 16788, 23343, 31124, 33576, 43369, 46686, 62248, 86738, 93372, 130107, 173476, 186744, 260214, 346952, 351149, 520428, 702298, 1040856, 1053447, 1404596, 2106894, 2809192, 4213788, 8427576, 10885619, 21771238, 32656857, 43542476, 65313714, 87084952, 130627428, 261254856]

約数ペア:

[(1, 261254856), (2, 130627428), (3, 87084952), (4, 65313714), (6, 43542476), (8, 32656857), (12, 21771238), (24, 10885619), (31, 8427576), (62, 4213788), (93, 2809192), (124, 2106894), (186, 1404596), (248, 1053447), (251, 1040856), (372, 702298), (502, 520428), (744, 351149), (753, 346952), (1004, 260214), (1399, 186744), (1506, 173476), (2008, 130107), (2798, 93372), (3012, 86738), (4197, 62248), (5596, 46686), (6024, 43369), (7781, 33576), (8394, 31124), (11192, 23343), (15562, 16788)]