39807208

素因数分解:

$2^3\times 7^3\times {\mathrm{89}}^1\times {\mathrm{163}}^1$

素因数の和:279

約数の個数: 64

約数和(自身を含む): 88560000

約数和(自身を除く): 48752792

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 89, 98, 163, 178, 196, 326, 343, 356, 392, 623, 652, 686, 712, 1141, 1246, 1304, 1372, 2282, 2492, 2744, 4361, 4564, 4984, 7987, 8722, 9128, 14507, 15974, 17444, 29014, 30527, 31948, 34888, 55909, 58028, 61054, 63896, 101549, 111818, 116056, 122108, 203098, 223636, 244216, 406196, 447272, 710843, 812392, 1421686, 2843372, 4975901, 5686744, 9951802, 19903604, 39807208]

約数ペア:

[(1, 39807208), (2, 19903604), (4, 9951802), (7, 5686744), (8, 4975901), (14, 2843372), (28, 1421686), (49, 812392), (56, 710843), (89, 447272), (98, 406196), (163, 244216), (178, 223636), (196, 203098), (326, 122108), (343, 116056), (356, 111818), (392, 101549), (623, 63896), (652, 61054), (686, 58028), (712, 55909), (1141, 34888), (1246, 31948), (1304, 30527), (1372, 29014), (2282, 17444), (2492, 15974), (2744, 14507), (4361, 9128), (4564, 8722), (4984, 7987)]