28419478

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1$

素因数の和:145

約数の個数: 64

約数和(自身を含む): 51710400

約数和(自身を除く): 23290922

約数列:

[1, 2, 17, 19, 29, 34, 37, 38, 41, 58, 74, 82, 323, 493, 551, 629, 646, 697, 703, 779, 986, 1073, 1102, 1189, 1258, 1394, 1406, 1517, 1558, 2146, 2378, 3034, 9367, 11951, 13243, 18241, 18734, 20213, 20387, 22591, 23902, 25789, 26486, 28823, 36482, 40426, 40774, 43993, 45182, 51578, 57646, 87986, 346579, 384047, 489991, 693158, 747881, 768094, 835867, 979982, 1495762, 1671734, 14209739, 28419478]

約数ペア:

[(1, 28419478), (2, 14209739), (17, 1671734), (19, 1495762), (29, 979982), (34, 835867), (37, 768094), (38, 747881), (41, 693158), (58, 489991), (74, 384047), (82, 346579), (323, 87986), (493, 57646), (551, 51578), (629, 45182), (646, 43993), (697, 40774), (703, 40426), (779, 36482), (986, 28823), (1073, 26486), (1102, 25789), (1189, 23902), (1258, 22591), (1394, 20387), (1406, 20213), (1517, 18734), (1558, 18241), (2146, 13243), (2378, 11951), (3034, 9367)]