78428086

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{461}}^1$

素因数の和:541

約数の個数: 48

約数和(自身を含む): 140096880

約数和(自身を除く): 61668794

約数列:

[1, 2, 11, 19, 22, 37, 38, 74, 121, 209, 242, 407, 418, 461, 703, 814, 922, 1406, 2299, 4477, 4598, 5071, 7733, 8759, 8954, 10142, 15466, 17057, 17518, 34114, 55781, 85063, 96349, 111562, 170126, 187627, 192698, 324083, 375254, 648166, 1059839, 2063897, 2119678, 3564913, 4127794, 7129826, 39214043, 78428086]

約数ペア:

[(1, 78428086), (2, 39214043), (11, 7129826), (19, 4127794), (22, 3564913), (37, 2119678), (38, 2063897), (74, 1059839), (121, 648166), (209, 375254), (242, 324083), (407, 192698), (418, 187627), (461, 170126), (703, 111562), (814, 96349), (922, 85063), (1406, 55781), (2299, 34114), (4477, 17518), (4598, 17057), (5071, 15466), (7733, 10142), (8759, 8954)]