221345744

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31657}}^1$

素因数の和:31707

約数の個数: 40

約数和(自身を含む): 471071040

約数和(自身を除く): 249725296

約数列:

[1, 2, 4, 8, 16, 19, 23, 38, 46, 76, 92, 152, 184, 304, 368, 437, 874, 1748, 3496, 6992, 31657, 63314, 126628, 253256, 506512, 601483, 728111, 1202966, 1456222, 2405932, 2912444, 4811864, 5824888, 9623728, 11649776, 13834109, 27668218, 55336436, 110672872, 221345744]

約数ペア:

[(1, 221345744), (2, 110672872), (4, 55336436), (8, 27668218), (16, 13834109), (19, 11649776), (23, 9623728), (38, 5824888), (46, 4811864), (76, 2912444), (92, 2405932), (152, 1456222), (184, 1202966), (304, 728111), (368, 601483), (437, 506512), (874, 253256), (1748, 126628), (3496, 63314), (6992, 31657)]