71561648

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{1399}}^1$

素因数の和:1569

約数の個数: 40

約数和(自身を含む): 145824000

約数和(自身を除く): 74262352

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 139, 184, 278, 368, 556, 1112, 1399, 2224, 2798, 3197, 5596, 6394, 11192, 12788, 22384, 25576, 32177, 51152, 64354, 128708, 194461, 257416, 388922, 514832, 777844, 1555688, 3111376, 4472603, 8945206, 17890412, 35780824, 71561648]

約数ペア:

[(1, 71561648), (2, 35780824), (4, 17890412), (8, 8945206), (16, 4472603), (23, 3111376), (46, 1555688), (92, 777844), (139, 514832), (184, 388922), (278, 257416), (368, 194461), (556, 128708), (1112, 64354), (1399, 51152), (2224, 32177), (2798, 25576), (3197, 22384), (5596, 12788), (6394, 11192)]