131712378

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{647}}^1$

素因数の和:827

約数の個数: 64

約数和(自身を含む): 312035328

約数和(自身を除く): 180322950

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 42, 74, 111, 131, 222, 259, 262, 393, 518, 647, 777, 786, 917, 1294, 1554, 1834, 1941, 2751, 3882, 4529, 4847, 5502, 9058, 9694, 13587, 14541, 23939, 27174, 29082, 33929, 47878, 67858, 71817, 84757, 101787, 143634, 167573, 169514, 203574, 254271, 335146, 502719, 508542, 593299, 1005438, 1186598, 1779897, 3136009, 3559794, 6272018, 9408027, 18816054, 21952063, 43904126, 65856189, 131712378]

約数ペア:

[(1, 131712378), (2, 65856189), (3, 43904126), (6, 21952063), (7, 18816054), (14, 9408027), (21, 6272018), (37, 3559794), (42, 3136009), (74, 1779897), (111, 1186598), (131, 1005438), (222, 593299), (259, 508542), (262, 502719), (393, 335146), (518, 254271), (647, 203574), (777, 169514), (786, 167573), (917, 143634), (1294, 101787), (1554, 84757), (1834, 71817), (1941, 67858), (2751, 47878), (3882, 33929), (4529, 29082), (4847, 27174), (5502, 23939), (9058, 14541), (9694, 13587)]