26987870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{631}}^1$

素因数の和:705

約数の個数: 64

約数和(自身を含む): 61157376

約数和(自身を除く): 34169506

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 47, 65, 70, 91, 94, 130, 182, 235, 329, 455, 470, 611, 631, 658, 910, 1222, 1262, 1645, 3055, 3155, 3290, 4277, 4417, 6110, 6310, 8203, 8554, 8834, 16406, 21385, 22085, 29657, 41015, 42770, 44170, 57421, 59314, 82030, 114842, 148285, 207599, 287105, 296570, 385541, 415198, 574210, 771082, 1037995, 1927705, 2075990, 2698787, 3855410, 5397574, 13493935, 26987870]

約数ペア:

[(1, 26987870), (2, 13493935), (5, 5397574), (7, 3855410), (10, 2698787), (13, 2075990), (14, 1927705), (26, 1037995), (35, 771082), (47, 574210), (65, 415198), (70, 385541), (91, 296570), (94, 287105), (130, 207599), (182, 148285), (235, 114842), (329, 82030), (455, 59314), (470, 57421), (611, 44170), (631, 42770), (658, 41015), (910, 29657), (1222, 22085), (1262, 21385), (1645, 16406), (3055, 8834), (3155, 8554), (3290, 8203), (4277, 6310), (4417, 6110)]