25617515

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{263}}^1$

素因数の和:320

約数の個数: 48

約数和(自身を含む): 40449024

約数和(自身を除く): 14831509

約数列:

[1, 5, 7, 11, 23, 35, 55, 77, 115, 121, 161, 253, 263, 385, 605, 805, 847, 1265, 1315, 1771, 1841, 2783, 2893, 4235, 6049, 8855, 9205, 13915, 14465, 19481, 20251, 30245, 31823, 42343, 66539, 97405, 101255, 159115, 211715, 222761, 332695, 465773, 731929, 1113805, 2328865, 3659645, 5123503, 25617515]

約数ペア:

[(1, 25617515), (5, 5123503), (7, 3659645), (11, 2328865), (23, 1113805), (35, 731929), (55, 465773), (77, 332695), (115, 222761), (121, 211715), (161, 159115), (253, 101255), (263, 97405), (385, 66539), (605, 42343), (805, 31823), (847, 30245), (1265, 20251), (1315, 19481), (1771, 14465), (1841, 13915), (2783, 9205), (2893, 8855), (4235, 6049)]