16685116

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{397}}^1$

素因数の和:506

約数の個数: 48

約数和(自身を含む): 35660800

約数和(自身を除く): 18975684

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 79, 133, 158, 266, 316, 397, 532, 553, 794, 1106, 1501, 1588, 2212, 2779, 3002, 5558, 6004, 7543, 10507, 11116, 15086, 21014, 30172, 31363, 42028, 52801, 62726, 105602, 125452, 211204, 219541, 439082, 595897, 878164, 1191794, 2383588, 4171279, 8342558, 16685116]

約数ペア:

[(1, 16685116), (2, 8342558), (4, 4171279), (7, 2383588), (14, 1191794), (19, 878164), (28, 595897), (38, 439082), (76, 219541), (79, 211204), (133, 125452), (158, 105602), (266, 62726), (316, 52801), (397, 42028), (532, 31363), (553, 30172), (794, 21014), (1106, 15086), (1501, 11116), (1588, 10507), (2212, 7543), (2779, 6004), (3002, 5558)]