520204048

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{357283}}^1$

素因数の和:357311

約数の個数: 40

約数和(自身を含む): 1240490048

約数和(自身を除く): 720286000

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 357283, 714566, 1429132, 2500981, 2858264, 4644679, 5001962, 5716528, 9289358, 10003924, 18578716, 20007848, 32512753, 37157432, 40015696, 65025506, 74314864, 130051012, 260102024, 520204048]

約数ペア:

[(1, 520204048), (2, 260102024), (4, 130051012), (7, 74314864), (8, 65025506), (13, 40015696), (14, 37157432), (16, 32512753), (26, 20007848), (28, 18578716), (52, 10003924), (56, 9289358), (91, 5716528), (104, 5001962), (112, 4644679), (182, 2858264), (208, 2500981), (364, 1429132), (728, 714566), (1456, 357283)]