1987263964

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{599}}^1\times {\mathrm{2521}}^1$

素因数の和:3178

約数の個数: 48

約数和(自身を含む): 4067481600

約数和(自身を除く): 2080217636

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 188, 329, 599, 658, 1198, 1316, 2396, 2521, 4193, 5042, 8386, 10084, 16772, 17647, 28153, 35294, 56306, 70588, 112612, 118487, 197071, 236974, 394142, 473948, 788284, 829409, 1510079, 1658818, 3020158, 3317636, 6040316, 10570553, 21141106, 42282212, 70973713, 141947426, 283894852, 496815991, 993631982, 1987263964]

約数ペア:

[(1, 1987263964), (2, 993631982), (4, 496815991), (7, 283894852), (14, 141947426), (28, 70973713), (47, 42282212), (94, 21141106), (188, 10570553), (329, 6040316), (599, 3317636), (658, 3020158), (1198, 1658818), (1316, 1510079), (2396, 829409), (2521, 788284), (4193, 473948), (5042, 394142), (8386, 236974), (10084, 197071), (16772, 118487), (17647, 112612), (28153, 70588), (35294, 56306)]