218368003

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1\times {\mathrm{163}}^1$

素因数の和:403

約数の個数: 32

約数和(自身を含む): 268655616

約数和(自身を除く): 50287613

約数列:

[1, 7, 23, 53, 157, 161, 163, 371, 1099, 1141, 1219, 3611, 3749, 8321, 8533, 8639, 25277, 25591, 26243, 58247, 60473, 179137, 191383, 198697, 588593, 1339681, 1356323, 1390879, 4120151, 9494261, 31195429, 218368003]

約数ペア:

[(1, 218368003), (7, 31195429), (23, 9494261), (53, 4120151), (157, 1390879), (161, 1356323), (163, 1339681), (371, 588593), (1099, 198697), (1141, 191383), (1219, 179137), (3611, 60473), (3749, 58247), (8321, 26243), (8533, 25591), (8639, 25277)]