27949985

素因数分解:

$5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{191}}^1$

素因数の和:353

約数の個数: 32

約数和(自身を含む): 39923712

約数和(自身を除く): 11973727

約数列:

[1, 5, 7, 35, 37, 113, 185, 191, 259, 565, 791, 955, 1295, 1337, 3955, 4181, 6685, 7067, 20905, 21583, 29267, 35335, 49469, 107915, 146335, 151081, 247345, 755405, 798571, 3992855, 5589997, 27949985]

約数ペア:

[(1, 27949985), (5, 5589997), (7, 3992855), (35, 798571), (37, 755405), (113, 247345), (185, 151081), (191, 146335), (259, 107915), (565, 49469), (791, 35335), (955, 29267), (1295, 21583), (1337, 20905), (3955, 7067), (4181, 6685)]