84728105

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{211}}^1$

素因数の和:390

約数の個数: 48

約数和(自身を含む): 130507200

約数和(自身を除く): 45779095

約数列:

[1, 5, 7, 11, 35, 49, 55, 77, 149, 211, 245, 385, 539, 745, 1043, 1055, 1477, 1639, 2321, 2695, 5215, 7301, 7385, 8195, 10339, 11473, 11605, 16247, 31439, 36505, 51695, 57365, 80311, 81235, 113729, 157195, 220073, 345829, 401555, 568645, 1100365, 1540511, 1729145, 2420803, 7702555, 12104015, 16945621, 84728105]

約数ペア:

[(1, 84728105), (5, 16945621), (7, 12104015), (11, 7702555), (35, 2420803), (49, 1729145), (55, 1540511), (77, 1100365), (149, 568645), (211, 401555), (245, 345829), (385, 220073), (539, 157195), (745, 113729), (1043, 81235), (1055, 80311), (1477, 57365), (1639, 51695), (2321, 36505), (2695, 31439), (5215, 16247), (7301, 11605), (7385, 11473), (8195, 10339)]