221067816

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{214213}}^1$

素因数の和:214265

約数の個数: 32

約数和(自身を含む): 565524960

約数和(自身を除く): 344457144

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 86, 129, 172, 258, 344, 516, 1032, 214213, 428426, 642639, 856852, 1285278, 1713704, 2570556, 5141112, 9211159, 18422318, 27633477, 36844636, 55266954, 73689272, 110533908, 221067816]

約数ペア:

[(1, 221067816), (2, 110533908), (3, 73689272), (4, 55266954), (6, 36844636), (8, 27633477), (12, 18422318), (24, 9211159), (43, 5141112), (86, 2570556), (129, 1713704), (172, 1285278), (258, 856852), (344, 642639), (516, 428426), (1032, 214213)]