25590004

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{257}}^1$

素因数の和:376

約数の個数: 48

約数和(自身を含む): 51319296

約数和(自身を除く): 25729292

約数列:

[1, 2, 4, 11, 22, 31, 44, 62, 73, 124, 146, 257, 292, 341, 514, 682, 803, 1028, 1364, 1606, 2263, 2827, 3212, 4526, 5654, 7967, 9052, 11308, 15934, 18761, 24893, 31868, 37522, 49786, 75044, 87637, 99572, 175274, 206371, 350548, 412742, 581591, 825484, 1163182, 2326364, 6397501, 12795002, 25590004]

約数ペア:

[(1, 25590004), (2, 12795002), (4, 6397501), (11, 2326364), (22, 1163182), (31, 825484), (44, 581591), (62, 412742), (73, 350548), (124, 206371), (146, 175274), (257, 99572), (292, 87637), (341, 75044), (514, 49786), (682, 37522), (803, 31868), (1028, 24893), (1364, 18761), (1606, 15934), (2263, 11308), (2827, 9052), (3212, 7967), (4526, 5654)]