30939244

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{197}}^1$

素因数の和:358

約数の個数: 48

約数和(自身を含む): 63866880

約数和(自身を除く): 32927636

約数列:

[1, 2, 4, 7, 14, 28, 71, 79, 142, 158, 197, 284, 316, 394, 497, 553, 788, 994, 1106, 1379, 1988, 2212, 2758, 5516, 5609, 11218, 13987, 15563, 22436, 27974, 31126, 39263, 55948, 62252, 78526, 97909, 108941, 157052, 195818, 217882, 391636, 435764, 1104973, 2209946, 4419892, 7734811, 15469622, 30939244]

約数ペア:

[(1, 30939244), (2, 15469622), (4, 7734811), (7, 4419892), (14, 2209946), (28, 1104973), (71, 435764), (79, 391636), (142, 217882), (158, 195818), (197, 157052), (284, 108941), (316, 97909), (394, 78526), (497, 62252), (553, 55948), (788, 39263), (994, 31126), (1106, 27974), (1379, 22436), (1988, 15563), (2212, 13987), (2758, 11218), (5516, 5609)]