648764652

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{4831}}^1$

素因数の和:4907

約数の個数: 72

約数和(自身を含む): 1649528832

約数和(自身を除く): 1000764180

約数列:

[1, 2, 3, 4, 6, 12, 19, 31, 38, 57, 62, 76, 93, 114, 124, 186, 228, 361, 372, 589, 722, 1083, 1178, 1444, 1767, 2166, 2356, 3534, 4332, 4831, 7068, 9662, 11191, 14493, 19324, 22382, 28986, 33573, 44764, 57972, 67146, 91789, 134292, 149761, 183578, 275367, 299522, 367156, 449283, 550734, 599044, 898566, 1101468, 1743991, 1797132, 2845459, 3487982, 5231973, 5690918, 6975964, 8536377, 10463946, 11381836, 17072754, 20927892, 34145508, 54063721, 108127442, 162191163, 216254884, 324382326, 648764652]

約数ペア:

[(1, 648764652), (2, 324382326), (3, 216254884), (4, 162191163), (6, 108127442), (12, 54063721), (19, 34145508), (31, 20927892), (38, 17072754), (57, 11381836), (62, 10463946), (76, 8536377), (93, 6975964), (114, 5690918), (124, 5231973), (186, 3487982), (228, 2845459), (361, 1797132), (372, 1743991), (589, 1101468), (722, 898566), (1083, 599044), (1178, 550734), (1444, 449283), (1767, 367156), (2166, 299522), (2356, 275367), (3534, 183578), (4332, 149761), (4831, 134292), (7068, 91789), (9662, 67146), (11191, 57972), (14493, 44764), (19324, 33573), (22382, 28986)]