16408908

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{127}}^1$

素因数の和:271

約数の個数: 72

約数和(自身を含む): 43377152

約数和(自身を除く): 26968244

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 74, 97, 111, 127, 148, 194, 222, 254, 291, 333, 381, 388, 444, 508, 582, 666, 762, 873, 1143, 1164, 1332, 1524, 1746, 2286, 3492, 3589, 4572, 4699, 7178, 9398, 10767, 12319, 14097, 14356, 18796, 21534, 24638, 28194, 32301, 36957, 42291, 43068, 49276, 56388, 64602, 73914, 84582, 110871, 129204, 147828, 169164, 221742, 443484, 455803, 911606, 1367409, 1823212, 2734818, 4102227, 5469636, 8204454, 16408908]

約数ペア:

[(1, 16408908), (2, 8204454), (3, 5469636), (4, 4102227), (6, 2734818), (9, 1823212), (12, 1367409), (18, 911606), (36, 455803), (37, 443484), (74, 221742), (97, 169164), (111, 147828), (127, 129204), (148, 110871), (194, 84582), (222, 73914), (254, 64602), (291, 56388), (333, 49276), (381, 43068), (388, 42291), (444, 36957), (508, 32301), (582, 28194), (666, 24638), (762, 21534), (873, 18796), (1143, 14356), (1164, 14097), (1332, 12319), (1524, 10767), (1746, 9398), (2286, 7178), (3492, 4699), (3589, 4572)]