716721208

素因数分解:

$2^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{209813}}^1$

素因数の和:209887

約数の個数: 32

約数和(自身を含む): 1561016160

約数和(自身を除く): 844294952

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 61, 122, 244, 427, 488, 854, 1708, 3416, 209813, 419626, 839252, 1468691, 1678504, 2937382, 5874764, 11749528, 12798593, 25597186, 51194372, 89590151, 102388744, 179180302, 358360604, 716721208]

約数ペア:

[(1, 716721208), (2, 358360604), (4, 179180302), (7, 102388744), (8, 89590151), (14, 51194372), (28, 25597186), (56, 12798593), (61, 11749528), (122, 5874764), (244, 2937382), (427, 1678504), (488, 1468691), (854, 839252), (1708, 419626), (3416, 209813)]