620459838

素因数分解:

$2^1\times 3^4\times {\mathrm{79}}^1\times {\mathrm{48481}}^1$

素因数の和:48574

約数の個数: 40

約数和(自身を含む): 1407917280

約数和(自身を除く): 787457442

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 79, 81, 158, 162, 237, 474, 711, 1422, 2133, 4266, 6399, 12798, 48481, 96962, 145443, 290886, 436329, 872658, 1308987, 2617974, 3829999, 3926961, 7659998, 7853922, 11489997, 22979994, 34469991, 68939982, 103409973, 206819946, 310229919, 620459838]

約数ペア:

[(1, 620459838), (2, 310229919), (3, 206819946), (6, 103409973), (9, 68939982), (18, 34469991), (27, 22979994), (54, 11489997), (79, 7853922), (81, 7659998), (158, 3926961), (162, 3829999), (237, 2617974), (474, 1308987), (711, 872658), (1422, 436329), (2133, 290886), (4266, 145443), (6399, 96962), (12798, 48481)]