128598156

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{821}}^1$

素因数の和:1079

約数の個数: 72

約数和(自身を含む): 344089200

約数和(自身を除く): 215491044

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 229, 342, 458, 684, 687, 821, 916, 1374, 1642, 2061, 2463, 2748, 3284, 4122, 4351, 4926, 7389, 8244, 8702, 9852, 13053, 14778, 15599, 17404, 26106, 29556, 31198, 39159, 46797, 52212, 62396, 78318, 93594, 140391, 156636, 187188, 188009, 280782, 376018, 561564, 564027, 752036, 1128054, 1692081, 2256108, 3384162, 3572171, 6768324, 7144342, 10716513, 14288684, 21433026, 32149539, 42866052, 64299078, 128598156]

約数ペア:

[(1, 128598156), (2, 64299078), (3, 42866052), (4, 32149539), (6, 21433026), (9, 14288684), (12, 10716513), (18, 7144342), (19, 6768324), (36, 3572171), (38, 3384162), (57, 2256108), (76, 1692081), (114, 1128054), (171, 752036), (228, 564027), (229, 561564), (342, 376018), (458, 280782), (684, 188009), (687, 187188), (821, 156636), (916, 140391), (1374, 93594), (1642, 78318), (2061, 62396), (2463, 52212), (2748, 46797), (3284, 39159), (4122, 31198), (4351, 29556), (4926, 26106), (7389, 17404), (8244, 15599), (8702, 14778), (9852, 13053)]