257298

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:122

約数の個数: 32

約数和(自身を含む): 565440

約数和(自身を除く): 308142

約数列:

[1, 2, 3, 6, 19, 37, 38, 57, 61, 74, 111, 114, 122, 183, 222, 366, 703, 1159, 1406, 2109, 2257, 2318, 3477, 4218, 4514, 6771, 6954, 13542, 42883, 85766, 128649, 257298]

約数ペア:

[(1, 257298), (2, 128649), (3, 85766), (6, 42883), (19, 13542), (37, 6954), (38, 6771), (57, 4514), (61, 4218), (74, 3477), (111, 2318), (114, 2257), (122, 2109), (183, 1406), (222, 1159), (366, 703)]