66604895

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:240

約数の個数: 64

約数和(自身を含む): 104841216

約数和(自身を除く): 38236321

約数列:

[1, 5, 7, 17, 23, 31, 35, 85, 115, 119, 155, 157, 161, 217, 391, 527, 595, 713, 785, 805, 1085, 1099, 1955, 2635, 2669, 2737, 3565, 3611, 3689, 4867, 4991, 5495, 12121, 13345, 13685, 18055, 18445, 18683, 24335, 24955, 25277, 34069, 60605, 61387, 82739, 84847, 93415, 111941, 126385, 170345, 306935, 413695, 424235, 429709, 559705, 579173, 783587, 1902997, 2148545, 2895865, 3917935, 9514985, 13320979, 66604895]

約数ペア:

[(1, 66604895), (5, 13320979), (7, 9514985), (17, 3917935), (23, 2895865), (31, 2148545), (35, 1902997), (85, 783587), (115, 579173), (119, 559705), (155, 429709), (157, 424235), (161, 413695), (217, 306935), (391, 170345), (527, 126385), (595, 111941), (713, 93415), (785, 84847), (805, 82739), (1085, 61387), (1099, 60605), (1955, 34069), (2635, 25277), (2669, 24955), (2737, 24335), (3565, 18683), (3611, 18445), (3689, 18055), (4867, 13685), (4991, 13345), (5495, 12121)]