81326245

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{16249}}^1$

素因数の和:16285

約数の個数: 32

約数和(自身を含む): 131040000

約数和(自身を除く): 49713755

約数列:

[1, 5, 7, 11, 13, 35, 55, 65, 77, 91, 143, 385, 455, 715, 1001, 5005, 16249, 81245, 113743, 178739, 211237, 568715, 893695, 1056185, 1251173, 1478659, 2323607, 6255865, 7393295, 11618035, 16265249, 81326245]

約数ペア:

[(1, 81326245), (5, 16265249), (7, 11618035), (11, 7393295), (13, 6255865), (35, 2323607), (55, 1478659), (65, 1251173), (77, 1056185), (91, 893695), (143, 568715), (385, 211237), (455, 178739), (715, 113743), (1001, 81245), (5005, 16249)]