31667870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{12821}}^1$

素因数の和:12860

約数の個数: 32

約数和(自身を含む): 64622880

約数和(自身を除く): 32955010

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 12821, 25642, 64105, 128210, 166673, 243599, 333346, 487198, 833365, 1217995, 1666730, 2435990, 3166787, 6333574, 15833935, 31667870]

約数ペア:

[(1, 31667870), (2, 15833935), (5, 6333574), (10, 3166787), (13, 2435990), (19, 1666730), (26, 1217995), (38, 833365), (65, 487198), (95, 333346), (130, 243599), (190, 166673), (247, 128210), (494, 64105), (1235, 25642), (2470, 12821)]