161837116

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{641}}^1$

素因数の和:850

約数の個数: 48

約数和(自身を含む): 331333632

約数和(自身を除く): 169496516

約数列:

[1, 2, 4, 7, 14, 28, 71, 127, 142, 254, 284, 497, 508, 641, 889, 994, 1282, 1778, 1988, 2564, 3556, 4487, 8974, 9017, 17948, 18034, 36068, 45511, 63119, 81407, 91022, 126238, 162814, 182044, 252476, 318577, 325628, 569849, 637154, 1139698, 1274308, 2279396, 5779897, 11559794, 23119588, 40459279, 80918558, 161837116]

約数ペア:

[(1, 161837116), (2, 80918558), (4, 40459279), (7, 23119588), (14, 11559794), (28, 5779897), (71, 2279396), (127, 1274308), (142, 1139698), (254, 637154), (284, 569849), (497, 325628), (508, 318577), (641, 252476), (889, 182044), (994, 162814), (1282, 126238), (1778, 91022), (1988, 81407), (2564, 63119), (3556, 45511), (4487, 36068), (8974, 18034), (9017, 17948)]