126989785

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{491}}^1$

素因数の和:705

約数の個数: 32

約数和(自身を含む): 172585728

約数和(自身を除く): 45595943

約数列:

[1, 5, 13, 23, 65, 115, 173, 299, 491, 865, 1495, 2249, 2455, 3979, 6383, 11245, 11293, 19895, 31915, 51727, 56465, 84943, 146809, 258635, 424715, 734045, 1104259, 1953689, 5521295, 9768445, 25397957, 126989785]

約数ペア:

[(1, 126989785), (5, 25397957), (13, 9768445), (23, 5521295), (65, 1953689), (115, 1104259), (173, 734045), (299, 424715), (491, 258635), (865, 146809), (1495, 84943), (2249, 56465), (2455, 51727), (3979, 31915), (6383, 19895), (11245, 11293)]