397147462

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{222367}}^1$

素因数の和:222435

約数の個数: 16

約数和(自身を含む): 640419840

約数和(自身を除く): 243272378

約数列:

[1, 2, 19, 38, 47, 94, 893, 1786, 222367, 444734, 4224973, 8449946, 10451249, 20902498, 198573731, 397147462]

約数ペア:

[(1, 397147462), (2, 198573731), (19, 20902498), (38, 10451249), (47, 8449946), (94, 4224973), (893, 444734), (1786, 222367)]