71461012

素因数分解:

$2^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:261

約数の個数: 72

約数和(自身を含む): 152386080

約数和(自身を除く): 80925068

約数列:

[1, 2, 4, 7, 14, 28, 43, 49, 61, 86, 98, 122, 139, 172, 196, 244, 278, 301, 427, 556, 602, 854, 973, 1204, 1708, 1946, 2107, 2623, 2989, 3892, 4214, 5246, 5977, 5978, 6811, 8428, 8479, 10492, 11954, 11956, 13622, 16958, 18361, 23908, 27244, 33916, 36722, 41839, 59353, 73444, 83678, 118706, 128527, 167356, 237412, 257054, 292873, 364597, 415471, 514108, 585746, 729194, 830942, 1171492, 1458388, 1661884, 2552179, 5104358, 10208716, 17865253, 35730506, 71461012]

約数ペア:

[(1, 71461012), (2, 35730506), (4, 17865253), (7, 10208716), (14, 5104358), (28, 2552179), (43, 1661884), (49, 1458388), (61, 1171492), (86, 830942), (98, 729194), (122, 585746), (139, 514108), (172, 415471), (196, 364597), (244, 292873), (278, 257054), (301, 237412), (427, 167356), (556, 128527), (602, 118706), (854, 83678), (973, 73444), (1204, 59353), (1708, 41839), (1946, 36722), (2107, 33916), (2623, 27244), (2989, 23908), (3892, 18361), (4214, 16958), (5246, 13622), (5977, 11956), (5978, 11954), (6811, 10492), (8428, 8479)]