978196

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{211}}^1$

素因数の和:295

約数の個数: 24

約数和(自身を含む): 1840160

約数和(自身を除く): 861964

約数列:

[1, 2, 4, 19, 38, 61, 76, 122, 211, 244, 422, 844, 1159, 2318, 4009, 4636, 8018, 12871, 16036, 25742, 51484, 244549, 489098, 978196]

約数ペア:

[(1, 978196), (2, 489098), (4, 244549), (19, 51484), (38, 25742), (61, 16036), (76, 12871), (122, 8018), (211, 4636), (244, 4009), (422, 2318), (844, 1159)]