28870234

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{163}}^1$

素因数の和:322

約数の個数: 32

約数和(自身を含む): 47232000

約数和(自身を除く): 18361766

約数列:

[1, 2, 19, 38, 59, 79, 118, 158, 163, 326, 1121, 1501, 2242, 3002, 3097, 4661, 6194, 9322, 9617, 12877, 19234, 25754, 88559, 177118, 182723, 244663, 365446, 489326, 759743, 1519486, 14435117, 28870234]

約数ペア:

[(1, 28870234), (2, 14435117), (19, 1519486), (38, 759743), (59, 489326), (79, 365446), (118, 244663), (158, 182723), (163, 177118), (326, 88559), (1121, 25754), (1501, 19234), (2242, 12877), (3002, 9617), (3097, 9322), (4661, 6194)]