256208496

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{313981}}^1$

素因数の和:314009

約数の個数: 40

約数和(自身を含む): 700807824

約数和(自身を除く): 444599328

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 48, 51, 68, 102, 136, 204, 272, 408, 816, 313981, 627962, 941943, 1255924, 1883886, 2511848, 3767772, 5023696, 5337677, 7535544, 10675354, 15071088, 16013031, 21350708, 32026062, 42701416, 64052124, 85402832, 128104248, 256208496]

約数ペア:

[(1, 256208496), (2, 128104248), (3, 85402832), (4, 64052124), (6, 42701416), (8, 32026062), (12, 21350708), (16, 16013031), (17, 15071088), (24, 10675354), (34, 7535544), (48, 5337677), (51, 5023696), (68, 3767772), (102, 2511848), (136, 1883886), (204, 1255924), (272, 941943), (408, 627962), (816, 313981)]