217885856

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{1399}}^1$

素因数の和:1597

約数の個数: 48

約数和(自身を含む): 445939200

約数和(自身を除く): 228053344

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 124, 157, 248, 314, 496, 628, 992, 1256, 1399, 2512, 2798, 4867, 5024, 5596, 9734, 11192, 19468, 22384, 38936, 43369, 44768, 77872, 86738, 155744, 173476, 219643, 346952, 439286, 693904, 878572, 1387808, 1757144, 3514288, 6808933, 7028576, 13617866, 27235732, 54471464, 108942928, 217885856]

約数ペア:

[(1, 217885856), (2, 108942928), (4, 54471464), (8, 27235732), (16, 13617866), (31, 7028576), (32, 6808933), (62, 3514288), (124, 1757144), (157, 1387808), (248, 878572), (314, 693904), (496, 439286), (628, 346952), (992, 219643), (1256, 173476), (1399, 155744), (2512, 86738), (2798, 77872), (4867, 44768), (5024, 43369), (5596, 38936), (9734, 22384), (11192, 19468)]