68555704

素因数分解:

$2^3\times 7^2\times {\mathrm{47}}^1\times {\mathrm{61}}^2$

素因数の和:189

約数の個数: 72

約数和(自身を含む): 155254320

約数和(自身を除く): 86698616

約数列:

[1, 2, 4, 7, 8, 14, 28, 47, 49, 56, 61, 94, 98, 122, 188, 196, 244, 329, 376, 392, 427, 488, 658, 854, 1316, 1708, 2303, 2632, 2867, 2989, 3416, 3721, 4606, 5734, 5978, 7442, 9212, 11468, 11956, 14884, 18424, 20069, 22936, 23912, 26047, 29768, 40138, 52094, 80276, 104188, 140483, 160552, 174887, 182329, 208376, 280966, 349774, 364658, 561932, 699548, 729316, 1123864, 1224209, 1399096, 1458632, 2448418, 4896836, 8569463, 9793672, 17138926, 34277852, 68555704]

約数ペア:

[(1, 68555704), (2, 34277852), (4, 17138926), (7, 9793672), (8, 8569463), (14, 4896836), (28, 2448418), (47, 1458632), (49, 1399096), (56, 1224209), (61, 1123864), (94, 729316), (98, 699548), (122, 561932), (188, 364658), (196, 349774), (244, 280966), (329, 208376), (376, 182329), (392, 174887), (427, 160552), (488, 140483), (658, 104188), (854, 80276), (1316, 52094), (1708, 40138), (2303, 29768), (2632, 26047), (2867, 23912), (2989, 22936), (3416, 20069), (3721, 18424), (4606, 14884), (5734, 11956), (5978, 11468), (7442, 9212)]