278291632

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{53849}}^1$

素因数の和:53893

約数の個数: 40

約数和(自身を含む): 600966000

約数和(自身を除く): 322674368

約数列:

[1, 2, 4, 8, 16, 17, 19, 34, 38, 68, 76, 136, 152, 272, 304, 323, 646, 1292, 2584, 5168, 53849, 107698, 215396, 430792, 861584, 915433, 1023131, 1830866, 2046262, 3661732, 4092524, 7323464, 8185048, 14646928, 16370096, 17393227, 34786454, 69572908, 139145816, 278291632]

約数ペア:

[(1, 278291632), (2, 139145816), (4, 69572908), (8, 34786454), (16, 17393227), (17, 16370096), (19, 14646928), (34, 8185048), (38, 7323464), (68, 4092524), (76, 3661732), (136, 2046262), (152, 1830866), (272, 1023131), (304, 915433), (323, 861584), (646, 430792), (1292, 215396), (2584, 107698), (5168, 53849)]