25334504

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:210

約数の個数: 64

約数和(自身を含む): 53706240

約数和(自身を除く): 28371736

約数列:

[1, 2, 4, 8, 13, 26, 47, 52, 71, 73, 94, 104, 142, 146, 188, 284, 292, 376, 568, 584, 611, 923, 949, 1222, 1846, 1898, 2444, 3337, 3431, 3692, 3796, 4888, 5183, 6674, 6862, 7384, 7592, 10366, 13348, 13724, 20732, 26696, 27448, 41464, 43381, 44603, 67379, 86762, 89206, 134758, 173524, 178412, 243601, 269516, 347048, 356824, 487202, 539032, 974404, 1948808, 3166813, 6333626, 12667252, 25334504]

約数ペア:

[(1, 25334504), (2, 12667252), (4, 6333626), (8, 3166813), (13, 1948808), (26, 974404), (47, 539032), (52, 487202), (71, 356824), (73, 347048), (94, 269516), (104, 243601), (142, 178412), (146, 173524), (188, 134758), (284, 89206), (292, 86762), (376, 67379), (568, 44603), (584, 43381), (611, 41464), (923, 27448), (949, 26696), (1222, 20732), (1846, 13724), (1898, 13348), (2444, 10366), (3337, 7592), (3431, 7384), (3692, 6862), (3796, 6674), (4888, 5183)]