71481368

素因数分解:

$2^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1\times {\mathrm{191}}^1$

素因数の和:408

約数の個数: 64

約数和(自身を含む): 158699520

約数和(自身を除く): 87218152

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 56, 82, 163, 164, 191, 287, 326, 328, 382, 574, 652, 764, 1141, 1148, 1304, 1337, 1528, 2282, 2296, 2674, 4564, 5348, 6683, 7831, 9128, 10696, 13366, 15662, 26732, 31133, 31324, 46781, 53464, 54817, 62266, 62648, 93562, 109634, 124532, 187124, 217931, 219268, 249064, 374248, 435862, 438536, 871724, 1276453, 1743448, 2552906, 5105812, 8935171, 10211624, 17870342, 35740684, 71481368]

約数ペア:

[(1, 71481368), (2, 35740684), (4, 17870342), (7, 10211624), (8, 8935171), (14, 5105812), (28, 2552906), (41, 1743448), (56, 1276453), (82, 871724), (163, 438536), (164, 435862), (191, 374248), (287, 249064), (326, 219268), (328, 217931), (382, 187124), (574, 124532), (652, 109634), (764, 93562), (1141, 62648), (1148, 62266), (1304, 54817), (1337, 53464), (1528, 46781), (2282, 31324), (2296, 31133), (2674, 26732), (4564, 15662), (5348, 13366), (6683, 10696), (7831, 9128)]