7281378

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^2\times {\mathrm{37}}^1$

素因数の和:116

約数の個数: 72

約数和(自身を含む): 18071508

約数和(自身を除く): 10790130

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 29, 37, 39, 58, 74, 78, 87, 111, 117, 174, 222, 234, 261, 333, 377, 481, 522, 666, 754, 841, 962, 1073, 1131, 1443, 1682, 2146, 2262, 2523, 2886, 3219, 3393, 4329, 5046, 6438, 6786, 7569, 8658, 9657, 10933, 13949, 15138, 19314, 21866, 27898, 31117, 32799, 41847, 62234, 65598, 83694, 93351, 98397, 125541, 186702, 196794, 251082, 280053, 404521, 560106, 809042, 1213563, 2427126, 3640689, 7281378]

約数ペア:

[(1, 7281378), (2, 3640689), (3, 2427126), (6, 1213563), (9, 809042), (13, 560106), (18, 404521), (26, 280053), (29, 251082), (37, 196794), (39, 186702), (58, 125541), (74, 98397), (78, 93351), (87, 83694), (111, 65598), (117, 62234), (174, 41847), (222, 32799), (234, 31117), (261, 27898), (333, 21866), (377, 19314), (481, 15138), (522, 13949), (666, 10933), (754, 9657), (841, 8658), (962, 7569), (1073, 6786), (1131, 6438), (1443, 5046), (1682, 4329), (2146, 3393), (2262, 3219), (2523, 2886)]