79427270

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{19709}}^1$

素因数の和:19760

約数の個数: 32

約数和(自身を含む): 158941440

約数和(自身を除く): 79514170

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 19709, 39418, 98545, 197090, 256217, 512434, 610979, 1221958, 1281085, 2562170, 3054895, 6109790, 7942727, 15885454, 39713635, 79427270]

約数ペア:

[(1, 79427270), (2, 39713635), (5, 15885454), (10, 7942727), (13, 6109790), (26, 3054895), (31, 2562170), (62, 1281085), (65, 1221958), (130, 610979), (155, 512434), (310, 256217), (403, 197090), (806, 98545), (2015, 39418), (4030, 19709)]