71980984

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1$

素因数の和:272

約数の個数: 64

約数和(自身を含む): 147470400

約数和(自身を除く): 75489416

約数列:

[1, 2, 4, 8, 23, 37, 46, 74, 92, 97, 109, 148, 184, 194, 218, 296, 388, 436, 776, 851, 872, 1702, 2231, 2507, 3404, 3589, 4033, 4462, 5014, 6808, 7178, 8066, 8924, 10028, 10573, 14356, 16132, 17848, 20056, 21146, 28712, 32264, 42292, 82547, 84584, 92759, 165094, 185518, 243179, 330188, 371036, 391201, 486358, 660376, 742072, 782402, 972716, 1564804, 1945432, 3129608, 8997623, 17995246, 35990492, 71980984]

約数ペア:

[(1, 71980984), (2, 35990492), (4, 17995246), (8, 8997623), (23, 3129608), (37, 1945432), (46, 1564804), (74, 972716), (92, 782402), (97, 742072), (109, 660376), (148, 486358), (184, 391201), (194, 371036), (218, 330188), (296, 243179), (388, 185518), (436, 165094), (776, 92759), (851, 84584), (872, 82547), (1702, 42292), (2231, 32264), (2507, 28712), (3404, 21146), (3589, 20056), (4033, 17848), (4462, 16132), (5014, 14356), (6808, 10573), (7178, 10028), (8066, 8924)]