281196722

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1\times {\mathrm{487}}^1$

素因数の和:726

約数の個数: 32

約数和(自身を含む): 445992960

約数和(自身を除く): 164796238

約数列:

[1, 2, 31, 62, 67, 134, 139, 278, 487, 974, 2077, 4154, 4309, 8618, 9313, 15097, 18626, 30194, 32629, 65258, 67693, 135386, 288703, 577406, 1011499, 2022998, 2098483, 4196966, 4535431, 9070862, 140598361, 281196722]

約数ペア:

[(1, 281196722), (2, 140598361), (31, 9070862), (62, 4535431), (67, 4196966), (134, 2098483), (139, 2022998), (278, 1011499), (487, 577406), (974, 288703), (2077, 135386), (4154, 67693), (4309, 65258), (8618, 32629), (9313, 30194), (15097, 18626)]