641567262

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{19609}}^1$

素因数の和:19681

約数の個数: 64

約数和(自身を含む): 1581350400

約数和(自身を除く): 939783138

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 41, 42, 57, 82, 114, 123, 133, 246, 266, 287, 399, 574, 779, 798, 861, 1558, 1722, 2337, 4674, 5453, 10906, 16359, 19609, 32718, 39218, 58827, 117654, 137263, 274526, 372571, 411789, 745142, 803969, 823578, 1117713, 1607938, 2235426, 2411907, 2607997, 4823814, 5215994, 5627783, 7823991, 11255566, 15275411, 15647982, 16883349, 30550822, 33766698, 45826233, 91652466, 106927877, 213855754, 320783631, 641567262]

約数ペア:

[(1, 641567262), (2, 320783631), (3, 213855754), (6, 106927877), (7, 91652466), (14, 45826233), (19, 33766698), (21, 30550822), (38, 16883349), (41, 15647982), (42, 15275411), (57, 11255566), (82, 7823991), (114, 5627783), (123, 5215994), (133, 4823814), (246, 2607997), (266, 2411907), (287, 2235426), (399, 1607938), (574, 1117713), (779, 823578), (798, 803969), (861, 745142), (1558, 411789), (1722, 372571), (2337, 274526), (4674, 137263), (5453, 117654), (10906, 58827), (16359, 39218), (19609, 32718)]