68854828

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{67}}^1\times {\mathrm{127}}^1$

素因数の和:239

約数の個数: 72

約数和(自身を含む): 149639168

約数和(自身を除く): 80784340

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 67, 68, 119, 127, 134, 238, 254, 268, 289, 469, 476, 508, 578, 889, 938, 1139, 1156, 1778, 1876, 2023, 2159, 2278, 3556, 4046, 4318, 4556, 7973, 8092, 8509, 8636, 15113, 15946, 17018, 19363, 30226, 31892, 34036, 36703, 38726, 59563, 60452, 73406, 77452, 119126, 135541, 144653, 146812, 238252, 256921, 271082, 289306, 513842, 542164, 578612, 1012571, 1027684, 2025142, 2459101, 4050284, 4918202, 9836404, 17213707, 34427414, 68854828]

約数ペア:

[(1, 68854828), (2, 34427414), (4, 17213707), (7, 9836404), (14, 4918202), (17, 4050284), (28, 2459101), (34, 2025142), (67, 1027684), (68, 1012571), (119, 578612), (127, 542164), (134, 513842), (238, 289306), (254, 271082), (268, 256921), (289, 238252), (469, 146812), (476, 144653), (508, 135541), (578, 119126), (889, 77452), (938, 73406), (1139, 60452), (1156, 59563), (1778, 38726), (1876, 36703), (2023, 34036), (2159, 31892), (2278, 30226), (3556, 19363), (4046, 17018), (4318, 15946), (4556, 15113), (7973, 8636), (8092, 8509)]