217040384

素因数分解:

$2^9\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{433}}^1$

素因数の和:551

約数の個数: 80

約数和(自身を含む): 479500560

約数和(自身を除く): 262460176

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 89, 128, 176, 178, 256, 352, 356, 433, 512, 704, 712, 866, 979, 1408, 1424, 1732, 1958, 2816, 2848, 3464, 3916, 4763, 5632, 5696, 6928, 7832, 9526, 11392, 13856, 15664, 19052, 22784, 27712, 31328, 38104, 38537, 45568, 55424, 62656, 76208, 77074, 110848, 125312, 152416, 154148, 221696, 250624, 304832, 308296, 423907, 501248, 609664, 616592, 847814, 1219328, 1233184, 1695628, 2438656, 2466368, 3391256, 4932736, 6782512, 9865472, 13565024, 19730944, 27130048, 54260096, 108520192, 217040384]

約数ペア:

[(1, 217040384), (2, 108520192), (4, 54260096), (8, 27130048), (11, 19730944), (16, 13565024), (22, 9865472), (32, 6782512), (44, 4932736), (64, 3391256), (88, 2466368), (89, 2438656), (128, 1695628), (176, 1233184), (178, 1219328), (256, 847814), (352, 616592), (356, 609664), (433, 501248), (512, 423907), (704, 308296), (712, 304832), (866, 250624), (979, 221696), (1408, 154148), (1424, 152416), (1732, 125312), (1958, 110848), (2816, 77074), (2848, 76208), (3464, 62656), (3916, 55424), (4763, 45568), (5632, 38537), (5696, 38104), (6928, 31328), (7832, 27712), (9526, 22784), (11392, 19052), (13856, 15664)]