64761424

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2341}}^1$

素因数の和:2388

約数の個数: 80

約数和(自身を含む): 162628480

約数和(自身を除く): 97867056

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 19, 26, 28, 38, 52, 56, 76, 91, 104, 112, 133, 152, 182, 208, 247, 266, 304, 364, 494, 532, 728, 988, 1064, 1456, 1729, 1976, 2128, 2341, 3458, 3952, 4682, 6916, 9364, 13832, 16387, 18728, 27664, 30433, 32774, 37456, 44479, 60866, 65548, 88958, 121732, 131096, 177916, 213031, 243464, 262192, 311353, 355832, 426062, 486928, 578227, 622706, 711664, 852124, 1156454, 1245412, 1704248, 2312908, 2490824, 3408496, 4047589, 4625816, 4981648, 8095178, 9251632, 16190356, 32380712, 64761424]

約数ペア:

[(1, 64761424), (2, 32380712), (4, 16190356), (7, 9251632), (8, 8095178), (13, 4981648), (14, 4625816), (16, 4047589), (19, 3408496), (26, 2490824), (28, 2312908), (38, 1704248), (52, 1245412), (56, 1156454), (76, 852124), (91, 711664), (104, 622706), (112, 578227), (133, 486928), (152, 426062), (182, 355832), (208, 311353), (247, 262192), (266, 243464), (304, 213031), (364, 177916), (494, 131096), (532, 121732), (728, 88958), (988, 65548), (1064, 60866), (1456, 44479), (1729, 37456), (1976, 32774), (2128, 30433), (2341, 27664), (3458, 18728), (3952, 16387), (4682, 13832), (6916, 9364)]