1219438384

素因数分解:

$2^4\times {\mathrm{307}}^1\times {\mathrm{248257}}^1$

素因数の和:248572

約数の個数: 20

約数和(自身を含む): 2370367384

約数和(自身を除く): 1150929000

約数列:

[1, 2, 4, 8, 16, 307, 614, 1228, 2456, 4912, 248257, 496514, 993028, 1986056, 3972112, 76214899, 152429798, 304859596, 609719192, 1219438384]

約数ペア:

[(1, 1219438384), (2, 609719192), (4, 304859596), (8, 152429798), (16, 76214899), (307, 3972112), (614, 1986056), (1228, 993028), (2456, 496514), (4912, 248257)]