978928778890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{31608937}}^1$

素因数の和:31609126

約数の個数: 32

約数和(自身を含む): 1866191699520

約数和(自身を除く): 887262920630

約数列:

[1, 2, 5, 10, 19, 38, 95, 163, 190, 326, 815, 1630, 3097, 6194, 15485, 30970, 31608937, 63217874, 158044685, 316089370, 600569803, 1201139606, 3002849015, 5152256731, 6005698030, 10304513462, 25761283655, 51522567310, 97892877889, 195785755778, 489464389445, 978928778890]

約数ペア:

[(1, 978928778890), (2, 489464389445), (5, 195785755778), (10, 97892877889), (19, 51522567310), (38, 25761283655), (95, 10304513462), (163, 6005698030), (190, 5152256731), (326, 3002849015), (815, 1201139606), (1630, 600569803), (3097, 316089370), (6194, 158044685), (15485, 63217874), (30970, 31608937)]