72180028

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{353}}^1$

素因数の和:502

約数の個数: 48

約数和(自身を含む): 139878144

約数和(自身を除く): 67698116

約数列:

[1, 2, 4, 17, 31, 34, 62, 68, 97, 124, 194, 353, 388, 527, 706, 1054, 1412, 1649, 2108, 3007, 3298, 6001, 6014, 6596, 10943, 12002, 12028, 21886, 24004, 34241, 43772, 51119, 68482, 102238, 136964, 186031, 204476, 372062, 582097, 744124, 1061471, 1164194, 2122942, 2328388, 4245884, 18045007, 36090014, 72180028]

約数ペア:

[(1, 72180028), (2, 36090014), (4, 18045007), (17, 4245884), (31, 2328388), (34, 2122942), (62, 1164194), (68, 1061471), (97, 744124), (124, 582097), (194, 372062), (353, 204476), (388, 186031), (527, 136964), (706, 102238), (1054, 68482), (1412, 51119), (1649, 43772), (2108, 34241), (3007, 24004), (3298, 21886), (6001, 12028), (6014, 12002), (6596, 10943)]