81380844

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{77951}}^1$

素因数の和:77990

約数の個数: 36

約数和(自身を含む): 212808960

約数和(自身を除く): 131428116

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 116, 174, 261, 348, 522, 1044, 77951, 155902, 233853, 311804, 467706, 701559, 935412, 1403118, 2260579, 2806236, 4521158, 6781737, 9042316, 13563474, 20345211, 27126948, 40690422, 81380844]

約数ペア:

[(1, 81380844), (2, 40690422), (3, 27126948), (4, 20345211), (6, 13563474), (9, 9042316), (12, 6781737), (18, 4521158), (29, 2806236), (36, 2260579), (58, 1403118), (87, 935412), (116, 701559), (174, 467706), (261, 311804), (348, 233853), (522, 155902), (1044, 77951)]