218348

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1$

素因数の和:66

約数の個数: 36

約数和(自身を含む): 461160

約数和(自身を除く): 242812

約数列:

[1, 2, 4, 13, 17, 19, 26, 34, 38, 52, 68, 76, 169, 221, 247, 323, 338, 442, 494, 646, 676, 884, 988, 1292, 2873, 3211, 4199, 5746, 6422, 8398, 11492, 12844, 16796, 54587, 109174, 218348]

約数ペア:

[(1, 218348), (2, 109174), (4, 54587), (13, 16796), (17, 12844), (19, 11492), (26, 8398), (34, 6422), (38, 5746), (52, 4199), (68, 3211), (76, 2873), (169, 1292), (221, 988), (247, 884), (323, 676), (338, 646), (442, 494)]