213218012

素因数分解:

$2^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{719}}^1$

素因数の和:843

約数の個数: 72

約数和(自身を含む): 465393600

約数和(自身を除く): 252175588

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 49, 68, 89, 98, 119, 178, 196, 238, 356, 476, 623, 719, 833, 1246, 1438, 1513, 1666, 2492, 2876, 3026, 3332, 4361, 5033, 6052, 8722, 10066, 10591, 12223, 17444, 20132, 21182, 24446, 35231, 42364, 48892, 63991, 70462, 74137, 85561, 127982, 140924, 148274, 171122, 255964, 296548, 342244, 447937, 598927, 895874, 1087847, 1197854, 1791748, 2175694, 2395708, 3135559, 4351388, 6271118, 7614929, 12542236, 15229858, 30459716, 53304503, 106609006, 213218012]

約数ペア:

[(1, 213218012), (2, 106609006), (4, 53304503), (7, 30459716), (14, 15229858), (17, 12542236), (28, 7614929), (34, 6271118), (49, 4351388), (68, 3135559), (89, 2395708), (98, 2175694), (119, 1791748), (178, 1197854), (196, 1087847), (238, 895874), (356, 598927), (476, 447937), (623, 342244), (719, 296548), (833, 255964), (1246, 171122), (1438, 148274), (1513, 140924), (1666, 127982), (2492, 85561), (2876, 74137), (3026, 70462), (3332, 63991), (4361, 48892), (5033, 42364), (6052, 35231), (8722, 24446), (10066, 21182), (10591, 20132), (12223, 17444)]