72893990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{8369}}^1$

素因数の和:8456

約数の個数: 32

約数和(自身を含む): 143428320

約数和(自身を除く): 70534330

約数列:

[1, 2, 5, 10, 13, 26, 65, 67, 130, 134, 335, 670, 871, 1742, 4355, 8369, 8710, 16738, 41845, 83690, 108797, 217594, 543985, 560723, 1087970, 1121446, 2803615, 5607230, 7289399, 14578798, 36446995, 72893990]

約数ペア:

[(1, 72893990), (2, 36446995), (5, 14578798), (10, 7289399), (13, 5607230), (26, 2803615), (65, 1121446), (67, 1087970), (130, 560723), (134, 543985), (335, 217594), (670, 108797), (871, 83690), (1742, 41845), (4355, 16738), (8369, 8710)]