28701972

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{20443}}^1$

素因数の和:20469

約数の個数: 48

約数和(自身を含む): 80140480

約数和(自身を除く): 51438508

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 108, 117, 156, 234, 351, 468, 702, 1404, 20443, 40886, 61329, 81772, 122658, 183987, 245316, 265759, 367974, 531518, 551961, 735948, 797277, 1063036, 1103922, 1594554, 2207844, 2391831, 3189108, 4783662, 7175493, 9567324, 14350986, 28701972]

約数ペア:

[(1, 28701972), (2, 14350986), (3, 9567324), (4, 7175493), (6, 4783662), (9, 3189108), (12, 2391831), (13, 2207844), (18, 1594554), (26, 1103922), (27, 1063036), (36, 797277), (39, 735948), (52, 551961), (54, 531518), (78, 367974), (108, 265759), (117, 245316), (156, 183987), (234, 122658), (351, 81772), (468, 61329), (702, 40886), (1404, 20443)]