81746210

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{313}}^1$

素因数の和:388

約数の個数: 96

約数和(自身を含む): 189432432

約数和(自身を除く): 107686222

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 41, 49, 65, 70, 82, 91, 98, 130, 182, 205, 245, 287, 313, 410, 455, 490, 533, 574, 626, 637, 910, 1066, 1274, 1435, 1565, 2009, 2191, 2665, 2870, 3130, 3185, 3731, 4018, 4069, 4382, 5330, 6370, 7462, 8138, 10045, 10955, 12833, 15337, 18655, 20090, 20345, 21910, 25666, 26117, 28483, 30674, 37310, 40690, 52234, 56966, 64165, 76685, 89831, 128330, 130585, 142415, 153370, 166829, 179662, 199381, 261170, 284830, 333658, 398762, 449155, 628817, 834145, 898310, 996905, 1167803, 1257634, 1668290, 1993810, 2335606, 3144085, 5839015, 6288170, 8174621, 11678030, 16349242, 40873105, 81746210]

約数ペア:

[(1, 81746210), (2, 40873105), (5, 16349242), (7, 11678030), (10, 8174621), (13, 6288170), (14, 5839015), (26, 3144085), (35, 2335606), (41, 1993810), (49, 1668290), (65, 1257634), (70, 1167803), (82, 996905), (91, 898310), (98, 834145), (130, 628817), (182, 449155), (205, 398762), (245, 333658), (287, 284830), (313, 261170), (410, 199381), (455, 179662), (490, 166829), (533, 153370), (574, 142415), (626, 130585), (637, 128330), (910, 89831), (1066, 76685), (1274, 64165), (1435, 56966), (1565, 52234), (2009, 40690), (2191, 37310), (2665, 30674), (2870, 28483), (3130, 26117), (3185, 25666), (3731, 21910), (4018, 20345), (4069, 20090), (4382, 18655), (5330, 15337), (6370, 12833), (7462, 10955), (8138, 10045)]