72415882

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{179}}^1$

素因数の和:307

約数の個数: 64

約数和(自身を含む): 141834240

約数和(自身を除く): 69418358

約数列:

[1, 2, 7, 11, 14, 22, 37, 71, 74, 77, 142, 154, 179, 259, 358, 407, 497, 518, 781, 814, 994, 1253, 1562, 1969, 2506, 2627, 2849, 3938, 5254, 5467, 5698, 6623, 10934, 12709, 13246, 13783, 18389, 25418, 27566, 28897, 36778, 46361, 57794, 72853, 88963, 92722, 139799, 145706, 177926, 202279, 279598, 404558, 470233, 509971, 940466, 978593, 1019942, 1957186, 3291631, 5172563, 6583262, 10345126, 36207941, 72415882]

約数ペア:

[(1, 72415882), (2, 36207941), (7, 10345126), (11, 6583262), (14, 5172563), (22, 3291631), (37, 1957186), (71, 1019942), (74, 978593), (77, 940466), (142, 509971), (154, 470233), (179, 404558), (259, 279598), (358, 202279), (407, 177926), (497, 145706), (518, 139799), (781, 92722), (814, 88963), (994, 72853), (1253, 57794), (1562, 46361), (1969, 36778), (2506, 28897), (2627, 27566), (2849, 25418), (3938, 18389), (5254, 13783), (5467, 13246), (5698, 12709), (6623, 10934)]