408475908

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{347}}^1\times {\mathrm{1721}}^1$

素因数の和:2097

約数の個数: 72

約数和(自身を含む): 1090645920

約数和(自身を除く): 682170012

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 347, 684, 694, 1041, 1388, 1721, 2082, 3123, 3442, 4164, 5163, 6246, 6593, 6884, 10326, 12492, 13186, 15489, 19779, 20652, 26372, 30978, 32699, 39558, 59337, 61956, 65398, 79116, 98097, 118674, 130796, 196194, 237348, 294291, 392388, 588582, 597187, 1177164, 1194374, 1791561, 2388748, 3583122, 5374683, 7166244, 10749366, 11346553, 21498732, 22693106, 34039659, 45386212, 68079318, 102118977, 136158636, 204237954, 408475908]

約数ペア:

[(1, 408475908), (2, 204237954), (3, 136158636), (4, 102118977), (6, 68079318), (9, 45386212), (12, 34039659), (18, 22693106), (19, 21498732), (36, 11346553), (38, 10749366), (57, 7166244), (76, 5374683), (114, 3583122), (171, 2388748), (228, 1791561), (342, 1194374), (347, 1177164), (684, 597187), (694, 588582), (1041, 392388), (1388, 294291), (1721, 237348), (2082, 196194), (3123, 130796), (3442, 118674), (4164, 98097), (5163, 79116), (6246, 65398), (6593, 61956), (6884, 59337), (10326, 39558), (12492, 32699), (13186, 30978), (15489, 26372), (19779, 20652)]