221458428

素因数分解:

$2^2\times 3^3\times {\mathrm{43}}^2\times {\mathrm{1109}}^1$

素因数の和:1208

約数の個数: 72

約数和(自身を含む): 588344400

約数和(自身を除く): 366885972

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 43, 54, 86, 108, 129, 172, 258, 387, 516, 774, 1109, 1161, 1548, 1849, 2218, 2322, 3327, 3698, 4436, 4644, 5547, 6654, 7396, 9981, 11094, 13308, 16641, 19962, 22188, 29943, 33282, 39924, 47687, 49923, 59886, 66564, 95374, 99846, 119772, 143061, 190748, 199692, 286122, 429183, 572244, 858366, 1287549, 1716732, 2050541, 2575098, 4101082, 5150196, 6151623, 8202164, 12303246, 18454869, 24606492, 36909738, 55364607, 73819476, 110729214, 221458428]

約数ペア:

[(1, 221458428), (2, 110729214), (3, 73819476), (4, 55364607), (6, 36909738), (9, 24606492), (12, 18454869), (18, 12303246), (27, 8202164), (36, 6151623), (43, 5150196), (54, 4101082), (86, 2575098), (108, 2050541), (129, 1716732), (172, 1287549), (258, 858366), (387, 572244), (516, 429183), (774, 286122), (1109, 199692), (1161, 190748), (1548, 143061), (1849, 119772), (2218, 99846), (2322, 95374), (3327, 66564), (3698, 59886), (4436, 49923), (4644, 47687), (5547, 39924), (6654, 33282), (7396, 29943), (9981, 22188), (11094, 19962), (13308, 16641)]