1285659928

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{8693}}^1$

素因数の和:8864

約数の個数: 64

約数和(自身を含む): 2921184000

約数和(自身を除く): 1635524072

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 139, 152, 266, 278, 532, 556, 973, 1064, 1112, 1946, 2641, 3892, 5282, 7784, 8693, 10564, 17386, 18487, 21128, 34772, 36974, 60851, 69544, 73948, 121702, 147896, 165167, 243404, 330334, 486808, 660668, 1156169, 1208327, 1321336, 2312338, 2416654, 4624676, 4833308, 8458289, 9249352, 9666616, 16916578, 22958213, 33833156, 45916426, 67666312, 91832852, 160707491, 183665704, 321414982, 642829964, 1285659928]

約数ペア:

[(1, 1285659928), (2, 642829964), (4, 321414982), (7, 183665704), (8, 160707491), (14, 91832852), (19, 67666312), (28, 45916426), (38, 33833156), (56, 22958213), (76, 16916578), (133, 9666616), (139, 9249352), (152, 8458289), (266, 4833308), (278, 4624676), (532, 2416654), (556, 2312338), (973, 1321336), (1064, 1208327), (1112, 1156169), (1946, 660668), (2641, 486808), (3892, 330334), (5282, 243404), (7784, 165167), (8693, 147896), (10564, 121702), (17386, 73948), (18487, 69544), (21128, 60851), (34772, 36974)]