289996196

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{5477}}^1$

素因数の和:5580

約数の個数: 48

約数和(自身を含む): 608627712

約数和(自身を除く): 318631516

約数列:

[1, 2, 4, 7, 14, 28, 31, 61, 62, 122, 124, 217, 244, 427, 434, 854, 868, 1708, 1891, 3782, 5477, 7564, 10954, 13237, 21908, 26474, 38339, 52948, 76678, 153356, 169787, 334097, 339574, 668194, 679148, 1188509, 1336388, 2338679, 2377018, 4677358, 4754036, 9354716, 10357007, 20714014, 41428028, 72499049, 144998098, 289996196]

約数ペア:

[(1, 289996196), (2, 144998098), (4, 72499049), (7, 41428028), (14, 20714014), (28, 10357007), (31, 9354716), (61, 4754036), (62, 4677358), (122, 2377018), (124, 2338679), (217, 1336388), (244, 1188509), (427, 679148), (434, 668194), (854, 339574), (868, 334097), (1708, 169787), (1891, 153356), (3782, 76678), (5477, 52948), (7564, 38339), (10954, 26474), (13237, 21908)]