39898166

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:221

約数の個数: 64

約数和(自身を含む): 78382080

約数和(自身を除く): 38483914

約数列:

[1, 2, 7, 11, 14, 22, 41, 71, 77, 82, 89, 142, 154, 178, 287, 451, 497, 574, 623, 781, 902, 979, 994, 1246, 1562, 1958, 2911, 3157, 3649, 5467, 5822, 6314, 6319, 6853, 7298, 10934, 12638, 13706, 20377, 25543, 32021, 40139, 40754, 44233, 51086, 64042, 69509, 80278, 88466, 139018, 224147, 259079, 280973, 448294, 486563, 518158, 561946, 973126, 1813553, 2849869, 3627106, 5699738, 19949083, 39898166]

約数ペア:

[(1, 39898166), (2, 19949083), (7, 5699738), (11, 3627106), (14, 2849869), (22, 1813553), (41, 973126), (71, 561946), (77, 518158), (82, 486563), (89, 448294), (142, 280973), (154, 259079), (178, 224147), (287, 139018), (451, 88466), (497, 80278), (574, 69509), (623, 64042), (781, 51086), (902, 44233), (979, 40754), (994, 40139), (1246, 32021), (1562, 25543), (1958, 20377), (2911, 13706), (3157, 12638), (3649, 10934), (5467, 7298), (5822, 6853), (6314, 6319)]