86855986

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1$

素因数の和:239

約数の個数: 64

約数和(自身を含む): 162938880

約数和(自身を除く): 76082894

約数列:

[1, 2, 7, 14, 29, 31, 58, 62, 67, 103, 134, 203, 206, 217, 406, 434, 469, 721, 899, 938, 1442, 1798, 1943, 2077, 2987, 3193, 3886, 4154, 5974, 6293, 6386, 6901, 12586, 13601, 13802, 14539, 20909, 22351, 27202, 29078, 41818, 44702, 48307, 60233, 92597, 96614, 120466, 185194, 200129, 213931, 400258, 421631, 427862, 648179, 843262, 1296358, 1400903, 1497517, 2801806, 2995034, 6203999, 12407998, 43427993, 86855986]

約数ペア:

[(1, 86855986), (2, 43427993), (7, 12407998), (14, 6203999), (29, 2995034), (31, 2801806), (58, 1497517), (62, 1400903), (67, 1296358), (103, 843262), (134, 648179), (203, 427862), (206, 421631), (217, 400258), (406, 213931), (434, 200129), (469, 185194), (721, 120466), (899, 96614), (938, 92597), (1442, 60233), (1798, 48307), (1943, 44702), (2077, 41818), (2987, 29078), (3193, 27202), (3886, 22351), (4154, 20909), (5974, 14539), (6293, 13802), (6386, 13601), (6901, 12586)]