129975188

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{1093}}^1$

素因数の和:1272

約数の個数: 48

約数和(自身を含む): 270541824

約数和(自身を除く): 140566636

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 137, 217, 274, 434, 548, 868, 959, 1093, 1918, 2186, 3836, 4247, 4372, 7651, 8494, 15302, 16988, 29729, 30604, 33883, 59458, 67766, 118916, 135532, 149741, 237181, 299482, 474362, 598964, 948724, 1048187, 2096374, 4192748, 4641971, 9283942, 18567884, 32493797, 64987594, 129975188]

約数ペア:

[(1, 129975188), (2, 64987594), (4, 32493797), (7, 18567884), (14, 9283942), (28, 4641971), (31, 4192748), (62, 2096374), (124, 1048187), (137, 948724), (217, 598964), (274, 474362), (434, 299482), (548, 237181), (868, 149741), (959, 135532), (1093, 118916), (1918, 67766), (2186, 59458), (3836, 33883), (4247, 30604), (4372, 29729), (7651, 16988), (8494, 15302)]