31338258

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{227}}^1$

素因数の和:431

約数の個数: 64

約数和(自身を含む): 76170240

約数和(自身を除く): 44831982

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 114, 133, 173, 227, 266, 346, 399, 454, 519, 681, 798, 1038, 1211, 1362, 1589, 2422, 3178, 3287, 3633, 4313, 4767, 6574, 7266, 8626, 9534, 9861, 12939, 19722, 23009, 25878, 30191, 39271, 46018, 60382, 69027, 78542, 90573, 117813, 138054, 181146, 235626, 274897, 549794, 746149, 824691, 1492298, 1649382, 2238447, 4476894, 5223043, 10446086, 15669129, 31338258]

約数ペア:

[(1, 31338258), (2, 15669129), (3, 10446086), (6, 5223043), (7, 4476894), (14, 2238447), (19, 1649382), (21, 1492298), (38, 824691), (42, 746149), (57, 549794), (114, 274897), (133, 235626), (173, 181146), (227, 138054), (266, 117813), (346, 90573), (399, 78542), (454, 69027), (519, 60382), (681, 46018), (798, 39271), (1038, 30191), (1211, 25878), (1362, 23009), (1589, 19722), (2422, 12939), (3178, 9861), (3287, 9534), (3633, 8626), (4313, 7266), (4767, 6574)]