81881968

素因数分解:

$2^4\times 7^1\times {\mathrm{97}}^1\times {\mathrm{7537}}^1$

素因数の和:7649

約数の個数: 40

約数和(自身を含む): 183203552

約数和(自身を除く): 101321584

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 97, 112, 194, 388, 679, 776, 1358, 1552, 2716, 5432, 7537, 10864, 15074, 30148, 52759, 60296, 105518, 120592, 211036, 422072, 731089, 844144, 1462178, 2924356, 5117623, 5848712, 10235246, 11697424, 20470492, 40940984, 81881968]

約数ペア:

[(1, 81881968), (2, 40940984), (4, 20470492), (7, 11697424), (8, 10235246), (14, 5848712), (16, 5117623), (28, 2924356), (56, 1462178), (97, 844144), (112, 731089), (194, 422072), (388, 211036), (679, 120592), (776, 105518), (1358, 60296), (1552, 52759), (2716, 30148), (5432, 15074), (7537, 10864)]