642027008

素因数分解:

$2^9\times 7^2\times {\mathrm{157}}^1\times {\mathrm{163}}^1$

素因数の和:352

約数の個数: 120

約数和(自身を含む): 1510954632

約数和(自身を除く): 868927624

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 157, 163, 196, 224, 256, 314, 326, 392, 448, 512, 628, 652, 784, 896, 1099, 1141, 1256, 1304, 1568, 1792, 2198, 2282, 2512, 2608, 3136, 3584, 4396, 4564, 5024, 5216, 6272, 7693, 7987, 8792, 9128, 10048, 10432, 12544, 15386, 15974, 17584, 18256, 20096, 20864, 25088, 25591, 30772, 31948, 35168, 36512, 40192, 41728, 51182, 61544, 63896, 70336, 73024, 80384, 83456, 102364, 123088, 127792, 140672, 146048, 179137, 204728, 246176, 255584, 281344, 292096, 358274, 409456, 492352, 511168, 562688, 584192, 716548, 818912, 984704, 1022336, 1253959, 1433096, 1637824, 1969408, 2044672, 2507918, 2866192, 3275648, 3938816, 4089344, 5015836, 5732384, 6551296, 10031672, 11464768, 13102592, 20063344, 22929536, 40126688, 45859072, 80253376, 91718144, 160506752, 321013504, 642027008]

約数ペア:

[(1, 642027008), (2, 321013504), (4, 160506752), (7, 91718144), (8, 80253376), (14, 45859072), (16, 40126688), (28, 22929536), (32, 20063344), (49, 13102592), (56, 11464768), (64, 10031672), (98, 6551296), (112, 5732384), (128, 5015836), (157, 4089344), (163, 3938816), (196, 3275648), (224, 2866192), (256, 2507918), (314, 2044672), (326, 1969408), (392, 1637824), (448, 1433096), (512, 1253959), (628, 1022336), (652, 984704), (784, 818912), (896, 716548), (1099, 584192), (1141, 562688), (1256, 511168), (1304, 492352), (1568, 409456), (1792, 358274), (2198, 292096), (2282, 281344), (2512, 255584), (2608, 246176), (3136, 204728), (3584, 179137), (4396, 146048), (4564, 140672), (5024, 127792), (5216, 123088), (6272, 102364), (7693, 83456), (7987, 80384), (8792, 73024), (9128, 70336), (10048, 63896), (10432, 61544), (12544, 51182), (15386, 41728), (15974, 40192), (17584, 36512), (18256, 35168), (20096, 31948), (20864, 30772), (25088, 25591)]