15981938

素因数分解:

$2^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{181}}^1$

素因数の和:267

約数の個数: 48

約数和(自身を含む): 30250584

約数和(自身を除く): 14268646

約数列:

[1, 2, 7, 14, 17, 34, 49, 53, 98, 106, 119, 181, 238, 362, 371, 742, 833, 901, 1267, 1666, 1802, 2534, 2597, 3077, 5194, 6154, 6307, 8869, 9593, 12614, 17738, 19186, 21539, 43078, 44149, 67151, 88298, 134302, 150773, 163081, 301546, 326162, 470057, 940114, 1141567, 2283134, 7990969, 15981938]

約数ペア:

[(1, 15981938), (2, 7990969), (7, 2283134), (14, 1141567), (17, 940114), (34, 470057), (49, 326162), (53, 301546), (98, 163081), (106, 150773), (119, 134302), (181, 88298), (238, 67151), (362, 44149), (371, 43078), (742, 21539), (833, 19186), (901, 17738), (1267, 12614), (1666, 9593), (1802, 8869), (2534, 6307), (2597, 6154), (3077, 5194)]