212721132

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43987}}^1$

素因数の和:44038

約数の個数: 48

約数和(自身を含む): 551785472

約数和(自身を除く): 339064340

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 31, 39, 52, 62, 78, 93, 124, 156, 186, 372, 403, 806, 1209, 1612, 2418, 4836, 43987, 87974, 131961, 175948, 263922, 527844, 571831, 1143662, 1363597, 1715493, 2287324, 2727194, 3430986, 4090791, 5454388, 6861972, 8181582, 16363164, 17726761, 35453522, 53180283, 70907044, 106360566, 212721132]

約数ペア:

[(1, 212721132), (2, 106360566), (3, 70907044), (4, 53180283), (6, 35453522), (12, 17726761), (13, 16363164), (26, 8181582), (31, 6861972), (39, 5454388), (52, 4090791), (62, 3430986), (78, 2727194), (93, 2287324), (124, 1715493), (156, 1363597), (186, 1143662), (372, 571831), (403, 527844), (806, 263922), (1209, 175948), (1612, 131961), (2418, 87974), (4836, 43987)]