81850272

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{349}}^2$

素因数の和:718

約数の個数: 72

約数和(自身を含む): 246256416

約数和(自身を除く): 164406144

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 84, 96, 112, 168, 224, 336, 349, 672, 698, 1047, 1396, 2094, 2443, 2792, 4188, 4886, 5584, 7329, 8376, 9772, 11168, 14658, 16752, 19544, 29316, 33504, 39088, 58632, 78176, 117264, 121801, 234528, 243602, 365403, 487204, 730806, 852607, 974408, 1461612, 1705214, 1948816, 2557821, 2923224, 3410428, 3897632, 5115642, 5846448, 6820856, 10231284, 11692896, 13641712, 20462568, 27283424, 40925136, 81850272]

約数ペア:

[(1, 81850272), (2, 40925136), (3, 27283424), (4, 20462568), (6, 13641712), (7, 11692896), (8, 10231284), (12, 6820856), (14, 5846448), (16, 5115642), (21, 3897632), (24, 3410428), (28, 2923224), (32, 2557821), (42, 1948816), (48, 1705214), (56, 1461612), (84, 974408), (96, 852607), (112, 730806), (168, 487204), (224, 365403), (336, 243602), (349, 234528), (672, 121801), (698, 117264), (1047, 78176), (1396, 58632), (2094, 39088), (2443, 33504), (2792, 29316), (4188, 19544), (4886, 16752), (5584, 14658), (7329, 11168), (8376, 9772)]