81669252

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{397}}^1$

素因数の和:521

約数の個数: 96

約数和(自身を含む): 228229120

約数和(自身を除く): 146559868

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 31, 42, 62, 79, 84, 93, 124, 158, 186, 217, 237, 316, 372, 397, 434, 474, 553, 651, 794, 868, 948, 1106, 1191, 1302, 1588, 1659, 2212, 2382, 2449, 2604, 2779, 3318, 4764, 4898, 5558, 6636, 7347, 8337, 9796, 11116, 12307, 14694, 16674, 17143, 24614, 29388, 31363, 33348, 34286, 36921, 49228, 51429, 62726, 68572, 73842, 86149, 94089, 102858, 125452, 147684, 172298, 188178, 205716, 219541, 258447, 344596, 376356, 439082, 516894, 658623, 878164, 972253, 1033788, 1317246, 1944506, 2634492, 2916759, 3889012, 5833518, 6805771, 11667036, 13611542, 20417313, 27223084, 40834626, 81669252]

約数ペア:

[(1, 81669252), (2, 40834626), (3, 27223084), (4, 20417313), (6, 13611542), (7, 11667036), (12, 6805771), (14, 5833518), (21, 3889012), (28, 2916759), (31, 2634492), (42, 1944506), (62, 1317246), (79, 1033788), (84, 972253), (93, 878164), (124, 658623), (158, 516894), (186, 439082), (217, 376356), (237, 344596), (316, 258447), (372, 219541), (397, 205716), (434, 188178), (474, 172298), (553, 147684), (651, 125452), (794, 102858), (868, 94089), (948, 86149), (1106, 73842), (1191, 68572), (1302, 62726), (1588, 51429), (1659, 49228), (2212, 36921), (2382, 34286), (2449, 33348), (2604, 31363), (2779, 29388), (3318, 24614), (4764, 17143), (4898, 16674), (5558, 14694), (6636, 12307), (7347, 11116), (8337, 9796)]