81306876

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{2609}}^1$

素因数の和:2683

約数の個数: 72

約数和(自身を含む): 224940240

約数和(自身を除く): 143633364

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 53, 84, 98, 106, 147, 159, 196, 212, 294, 318, 371, 588, 636, 742, 1113, 1484, 2226, 2597, 2609, 4452, 5194, 5218, 7791, 7827, 10388, 10436, 15582, 15654, 18263, 31164, 31308, 36526, 54789, 73052, 109578, 127841, 138277, 219156, 255682, 276554, 383523, 414831, 511364, 553108, 767046, 829662, 967939, 1534092, 1659324, 1935878, 2903817, 3871756, 5807634, 6775573, 11615268, 13551146, 20326719, 27102292, 40653438, 81306876]

約数ペア:

[(1, 81306876), (2, 40653438), (3, 27102292), (4, 20326719), (6, 13551146), (7, 11615268), (12, 6775573), (14, 5807634), (21, 3871756), (28, 2903817), (42, 1935878), (49, 1659324), (53, 1534092), (84, 967939), (98, 829662), (106, 767046), (147, 553108), (159, 511364), (196, 414831), (212, 383523), (294, 276554), (318, 255682), (371, 219156), (588, 138277), (636, 127841), (742, 109578), (1113, 73052), (1484, 54789), (2226, 36526), (2597, 31308), (2609, 31164), (4452, 18263), (5194, 15654), (5218, 15582), (7791, 10436), (7827, 10388)]