31558338

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{73}}^2$

素因数の和:208

約数の個数: 72

約数和(自身を含む): 80915328

約数和(自身を除く): 49356990

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 47, 63, 73, 94, 126, 141, 146, 219, 282, 329, 423, 438, 511, 657, 658, 846, 987, 1022, 1314, 1533, 1974, 2961, 3066, 3431, 4599, 5329, 5922, 6862, 9198, 10293, 10658, 15987, 20586, 24017, 30879, 31974, 37303, 47961, 48034, 61758, 72051, 74606, 95922, 111909, 144102, 216153, 223818, 250463, 335727, 432306, 500926, 671454, 751389, 1502778, 1753241, 2254167, 3506482, 4508334, 5259723, 10519446, 15779169, 31558338]

約数ペア:

[(1, 31558338), (2, 15779169), (3, 10519446), (6, 5259723), (7, 4508334), (9, 3506482), (14, 2254167), (18, 1753241), (21, 1502778), (42, 751389), (47, 671454), (63, 500926), (73, 432306), (94, 335727), (126, 250463), (141, 223818), (146, 216153), (219, 144102), (282, 111909), (329, 95922), (423, 74606), (438, 72051), (511, 61758), (657, 48034), (658, 47961), (846, 37303), (987, 31974), (1022, 30879), (1314, 24017), (1533, 20586), (1974, 15987), (2961, 10658), (3066, 10293), (3431, 9198), (4599, 6862), (5329, 5922)]