398113772

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{239}}^1\times {\mathrm{1451}}^1$

素因数の和:1742

約数の個数: 48

約数和(自身を含む): 819624960

約数和(自身を除く): 421511188

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 239, 287, 478, 574, 956, 1148, 1451, 1673, 2902, 3346, 5804, 6692, 9799, 10157, 19598, 20314, 39196, 40628, 59491, 68593, 118982, 137186, 237964, 274372, 346789, 416437, 693578, 832874, 1387156, 1665748, 2427523, 4855046, 9710092, 14218349, 28436698, 56873396, 99528443, 199056886, 398113772]

約数ペア:

[(1, 398113772), (2, 199056886), (4, 99528443), (7, 56873396), (14, 28436698), (28, 14218349), (41, 9710092), (82, 4855046), (164, 2427523), (239, 1665748), (287, 1387156), (478, 832874), (574, 693578), (956, 416437), (1148, 346789), (1451, 274372), (1673, 237964), (2902, 137186), (3346, 118982), (5804, 68593), (6692, 59491), (9799, 40628), (10157, 39196), (19598, 20314)]