71163890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{6823}}^1$

素因数の和:6986

約数の個数: 32

約数和(自身を含む): 147398400

約数和(自身を除く): 76234510

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 149, 298, 745, 1043, 1490, 2086, 5215, 6823, 10430, 13646, 34115, 47761, 68230, 95522, 238805, 477610, 1016627, 2033254, 5083135, 7116389, 10166270, 14232778, 35581945, 71163890]

約数ペア:

[(1, 71163890), (2, 35581945), (5, 14232778), (7, 10166270), (10, 7116389), (14, 5083135), (35, 2033254), (70, 1016627), (149, 477610), (298, 238805), (745, 95522), (1043, 68230), (1490, 47761), (2086, 34115), (5215, 13646), (6823, 10430)]