31719436

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{547}}^1$

素因数の和:686

約数の個数: 48

約数和(自身を含む): 67513600

約数和(自身を除く): 35794164

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 109, 133, 218, 266, 436, 532, 547, 763, 1094, 1526, 2071, 2188, 3052, 3829, 4142, 7658, 8284, 10393, 14497, 15316, 20786, 28994, 41572, 57988, 59623, 72751, 119246, 145502, 238492, 291004, 417361, 834722, 1132837, 1669444, 2265674, 4531348, 7929859, 15859718, 31719436]

約数ペア:

[(1, 31719436), (2, 15859718), (4, 7929859), (7, 4531348), (14, 2265674), (19, 1669444), (28, 1132837), (38, 834722), (76, 417361), (109, 291004), (133, 238492), (218, 145502), (266, 119246), (436, 72751), (532, 59623), (547, 57988), (763, 41572), (1094, 28994), (1526, 20786), (2071, 15316), (2188, 14497), (3052, 10393), (3829, 8284), (4142, 7658)]