198321772

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{1511}}^1$

素因数の和:1702

約数の個数: 48

約数和(自身を含む): 401345280

約数和(自身を除く): 203023508

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 157, 209, 314, 418, 628, 836, 1511, 1727, 2983, 3022, 3454, 5966, 6044, 6908, 11932, 16621, 28709, 32813, 33242, 57418, 65626, 66484, 114836, 131252, 237227, 315799, 474454, 631598, 948908, 1263196, 2609497, 4507313, 5218994, 9014626, 10437988, 18029252, 49580443, 99160886, 198321772]

約数ペア:

[(1, 198321772), (2, 99160886), (4, 49580443), (11, 18029252), (19, 10437988), (22, 9014626), (38, 5218994), (44, 4507313), (76, 2609497), (157, 1263196), (209, 948908), (314, 631598), (418, 474454), (628, 315799), (836, 237227), (1511, 131252), (1727, 114836), (2983, 66484), (3022, 65626), (3454, 57418), (5966, 33242), (6044, 32813), (6908, 28709), (11932, 16621)]