16989399955

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{307}}^1\times {\mathrm{52957}}^1$

素因数の和:53299

約数の個数: 32

約数和(自身を含む): 23487932160

約数和(自身を除く): 6498532205

約数列:

[1, 5, 11, 19, 55, 95, 209, 307, 1045, 1535, 3377, 5833, 16885, 29165, 52957, 64163, 264785, 320815, 582527, 1006183, 2912635, 5030915, 11068013, 16257799, 55340065, 81288995, 178835789, 308898181, 894178945, 1544490905, 3397879991, 16989399955]

約数ペア:

[(1, 16989399955), (5, 3397879991), (11, 1544490905), (19, 894178945), (55, 308898181), (95, 178835789), (209, 81288995), (307, 55340065), (1045, 16257799), (1535, 11068013), (3377, 5030915), (5833, 2912635), (16885, 1006183), (29165, 582527), (52957, 320815), (64163, 264785)]