666156948

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{19609}}^1$

素因数の和:19784

約数の個数: 48

約数和(自身を含む): 1647240000

約数和(自身を除く): 981083052

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 149, 228, 298, 447, 596, 894, 1788, 2831, 5662, 8493, 11324, 16986, 19609, 33972, 39218, 58827, 78436, 117654, 235308, 372571, 745142, 1117713, 1490284, 2235426, 2921741, 4470852, 5843482, 8765223, 11686964, 17530446, 35060892, 55513079, 111026158, 166539237, 222052316, 333078474, 666156948]

約数ペア:

[(1, 666156948), (2, 333078474), (3, 222052316), (4, 166539237), (6, 111026158), (12, 55513079), (19, 35060892), (38, 17530446), (57, 11686964), (76, 8765223), (114, 5843482), (149, 4470852), (228, 2921741), (298, 2235426), (447, 1490284), (596, 1117713), (894, 745142), (1788, 372571), (2831, 235308), (5662, 117654), (8493, 78436), (11324, 58827), (16986, 39218), (19609, 33972)]