81959164

素因数分解:

$2^2\times 7^3\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:144

約数の個数: 96

約数和(自身を含む): 180633600

約数和(自身を除く): 98674436

約数列:

[1, 2, 4, 7, 14, 28, 31, 41, 47, 49, 62, 82, 94, 98, 124, 164, 188, 196, 217, 287, 329, 343, 434, 574, 658, 686, 868, 1148, 1271, 1316, 1372, 1457, 1519, 1927, 2009, 2303, 2542, 2914, 3038, 3854, 4018, 4606, 5084, 5828, 6076, 7708, 8036, 8897, 9212, 10199, 10633, 13489, 14063, 16121, 17794, 20398, 21266, 26978, 28126, 32242, 35588, 40796, 42532, 53956, 56252, 59737, 62279, 64484, 71393, 94423, 119474, 124558, 142786, 188846, 238948, 249116, 285572, 377692, 418159, 435953, 499751, 660961, 836318, 871906, 999502, 1321922, 1672636, 1743812, 1999004, 2643844, 2927113, 5854226, 11708452, 20489791, 40979582, 81959164]

約数ペア:

[(1, 81959164), (2, 40979582), (4, 20489791), (7, 11708452), (14, 5854226), (28, 2927113), (31, 2643844), (41, 1999004), (47, 1743812), (49, 1672636), (62, 1321922), (82, 999502), (94, 871906), (98, 836318), (124, 660961), (164, 499751), (188, 435953), (196, 418159), (217, 377692), (287, 285572), (329, 249116), (343, 238948), (434, 188846), (574, 142786), (658, 124558), (686, 119474), (868, 94423), (1148, 71393), (1271, 64484), (1316, 62279), (1372, 59737), (1457, 56252), (1519, 53956), (1927, 42532), (2009, 40796), (2303, 35588), (2542, 32242), (2914, 28126), (3038, 26978), (3854, 21266), (4018, 20398), (4606, 17794), (5084, 16121), (5828, 14063), (6076, 13489), (7708, 10633), (8036, 10199), (8897, 9212)]