28383516

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{163}}^1\times {\mathrm{691}}^1$

素因数の和:871

約数の個数: 72

約数和(自身を含む): 82619264

約数和(自身を除く): 54235748

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 163, 252, 326, 489, 652, 691, 978, 1141, 1382, 1467, 1956, 2073, 2282, 2764, 2934, 3423, 4146, 4564, 4837, 5868, 6219, 6846, 8292, 9674, 10269, 12438, 13692, 14511, 19348, 20538, 24876, 29022, 41076, 43533, 58044, 87066, 112633, 174132, 225266, 337899, 450532, 675798, 788431, 1013697, 1351596, 1576862, 2027394, 2365293, 3153724, 4054788, 4730586, 7095879, 9461172, 14191758, 28383516]

約数ペア:

[(1, 28383516), (2, 14191758), (3, 9461172), (4, 7095879), (6, 4730586), (7, 4054788), (9, 3153724), (12, 2365293), (14, 2027394), (18, 1576862), (21, 1351596), (28, 1013697), (36, 788431), (42, 675798), (63, 450532), (84, 337899), (126, 225266), (163, 174132), (252, 112633), (326, 87066), (489, 58044), (652, 43533), (691, 41076), (978, 29022), (1141, 24876), (1382, 20538), (1467, 19348), (1956, 14511), (2073, 13692), (2282, 12438), (2764, 10269), (2934, 9674), (3423, 8292), (4146, 6846), (4564, 6219), (4837, 5868)]