27994988

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{571}}^1$

素因数の和:702

約数の個数: 48

約数和(自身を含む): 59963904

約数和(自身を除く): 31968916

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 103, 119, 206, 238, 412, 476, 571, 721, 1142, 1442, 1751, 2284, 2884, 3502, 3997, 7004, 7994, 9707, 12257, 15988, 19414, 24514, 38828, 49028, 58813, 67949, 117626, 135898, 235252, 271796, 411691, 823382, 999821, 1646764, 1999642, 3999284, 6998747, 13997494, 27994988]

約数ペア:

[(1, 27994988), (2, 13997494), (4, 6998747), (7, 3999284), (14, 1999642), (17, 1646764), (28, 999821), (34, 823382), (68, 411691), (103, 271796), (119, 235252), (206, 135898), (238, 117626), (412, 67949), (476, 58813), (571, 49028), (721, 38828), (1142, 24514), (1442, 19414), (1751, 15988), (2284, 12257), (2884, 9707), (3502, 7994), (3997, 7004)]