399006208

素因数分解:

$2^9\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1093}}^1$

素因数の和:1165

約数の個数: 80

約数和(自身を含む): 859516416

約数和(自身を除く): 460510208

約数列:

[1, 2, 4, 8, 16, 23, 31, 32, 46, 62, 64, 92, 124, 128, 184, 248, 256, 368, 496, 512, 713, 736, 992, 1093, 1426, 1472, 1984, 2186, 2852, 2944, 3968, 4372, 5704, 5888, 7936, 8744, 11408, 11776, 15872, 17488, 22816, 25139, 33883, 34976, 45632, 50278, 67766, 69952, 91264, 100556, 135532, 139904, 182528, 201112, 271064, 279808, 365056, 402224, 542128, 559616, 779309, 804448, 1084256, 1558618, 1608896, 2168512, 3117236, 3217792, 4337024, 6234472, 6435584, 8674048, 12468944, 12871168, 17348096, 24937888, 49875776, 99751552, 199503104, 399006208]

約数ペア:

[(1, 399006208), (2, 199503104), (4, 99751552), (8, 49875776), (16, 24937888), (23, 17348096), (31, 12871168), (32, 12468944), (46, 8674048), (62, 6435584), (64, 6234472), (92, 4337024), (124, 3217792), (128, 3117236), (184, 2168512), (248, 1608896), (256, 1558618), (368, 1084256), (496, 804448), (512, 779309), (713, 559616), (736, 542128), (992, 402224), (1093, 365056), (1426, 279808), (1472, 271064), (1984, 201112), (2186, 182528), (2852, 139904), (2944, 135532), (3968, 100556), (4372, 91264), (5704, 69952), (5888, 67766), (7936, 50278), (8744, 45632), (11408, 34976), (11776, 33883), (15872, 25139), (17488, 22816)]