81331970

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{6389}}^1$

素因数の和:6482

約数の個数: 32

約数和(自身を含む): 156427200

約数和(自身を除く): 75095230

約数列:

[1, 2, 5, 10, 19, 38, 67, 95, 134, 190, 335, 670, 1273, 2546, 6365, 6389, 12730, 12778, 31945, 63890, 121391, 242782, 428063, 606955, 856126, 1213910, 2140315, 4280630, 8133197, 16266394, 40665985, 81331970]

約数ペア:

[(1, 81331970), (2, 40665985), (5, 16266394), (10, 8133197), (19, 4280630), (38, 2140315), (67, 1213910), (95, 856126), (134, 606955), (190, 428063), (335, 242782), (670, 121391), (1273, 63890), (2546, 31945), (6365, 12778), (6389, 12730)]