28671912

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{20959}}^1$

素因数の和:20990

約数の個数: 48

約数和(自身を含む): 81744000

約数和(自身を除く): 53072088

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 38, 57, 72, 76, 114, 152, 171, 228, 342, 456, 684, 1368, 20959, 41918, 62877, 83836, 125754, 167672, 188631, 251508, 377262, 398221, 503016, 754524, 796442, 1194663, 1509048, 1592884, 2389326, 3185768, 3583989, 4778652, 7167978, 9557304, 14335956, 28671912]

約数ペア:

[(1, 28671912), (2, 14335956), (3, 9557304), (4, 7167978), (6, 4778652), (8, 3583989), (9, 3185768), (12, 2389326), (18, 1592884), (19, 1509048), (24, 1194663), (36, 796442), (38, 754524), (57, 503016), (72, 398221), (76, 377262), (114, 251508), (152, 188631), (171, 167672), (228, 125754), (342, 83836), (456, 62877), (684, 41918), (1368, 20959)]