664244028

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{138731}}^1$

素因数の和:138767

約数の個数: 72

約数和(自身を含む): 2019937920

約数和(自身を除く): 1355693892

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 28, 36, 38, 42, 57, 63, 76, 84, 114, 126, 133, 171, 228, 252, 266, 342, 399, 532, 684, 798, 1197, 1596, 2394, 4788, 138731, 277462, 416193, 554924, 832386, 971117, 1248579, 1664772, 1942234, 2497158, 2635889, 2913351, 3884468, 4994316, 5271778, 5826702, 7907667, 8740053, 10543556, 11653404, 15815334, 17480106, 18451223, 23723001, 31630668, 34960212, 36902446, 47446002, 55353669, 73804892, 94892004, 110707338, 166061007, 221414676, 332122014, 664244028]

約数ペア:

[(1, 664244028), (2, 332122014), (3, 221414676), (4, 166061007), (6, 110707338), (7, 94892004), (9, 73804892), (12, 55353669), (14, 47446002), (18, 36902446), (19, 34960212), (21, 31630668), (28, 23723001), (36, 18451223), (38, 17480106), (42, 15815334), (57, 11653404), (63, 10543556), (76, 8740053), (84, 7907667), (114, 5826702), (126, 5271778), (133, 4994316), (171, 3884468), (228, 2913351), (252, 2635889), (266, 2497158), (342, 1942234), (399, 1664772), (532, 1248579), (684, 971117), (798, 832386), (1197, 554924), (1596, 416193), (2394, 277462), (4788, 138731)]