4138990

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{251}}^1$

素因数の和:372

約数の個数: 32

約数和(自身を含む): 8001504

約数和(自身を除く): 3862514

約数列:

[1, 2, 5, 10, 17, 34, 85, 97, 170, 194, 251, 485, 502, 970, 1255, 1649, 2510, 3298, 4267, 8245, 8534, 16490, 21335, 24347, 42670, 48694, 121735, 243470, 413899, 827798, 2069495, 4138990]

約数ペア:

[(1, 4138990), (2, 2069495), (5, 827798), (10, 413899), (17, 243470), (34, 121735), (85, 48694), (97, 42670), (170, 24347), (194, 21335), (251, 16490), (485, 8534), (502, 8245), (970, 4267), (1255, 3298), (1649, 2510)]