39903479

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{229}}^1$

素因数の和:351

約数の個数: 32

約数和(自身を含む): 52285440

約数和(自身を除く): 12381961

約数列:

[1, 7, 11, 31, 73, 77, 217, 229, 341, 511, 803, 1603, 2263, 2387, 2519, 5621, 7099, 15841, 16717, 17633, 24893, 49693, 78089, 117019, 174251, 183887, 518227, 546623, 1287209, 3627589, 5700497, 39903479]

約数ペア:

[(1, 39903479), (7, 5700497), (11, 3627589), (31, 1287209), (73, 546623), (77, 518227), (217, 183887), (229, 174251), (341, 117019), (511, 78089), (803, 49693), (1603, 24893), (2263, 17633), (2387, 16717), (2519, 15841), (5621, 7099)]