164557796

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:205

約数の個数: 72

約数和(自身を含む): 332813880

約数和(自身を除く): 168256084

約数列:

[1, 2, 4, 13, 26, 31, 37, 52, 62, 74, 89, 124, 148, 178, 356, 403, 481, 806, 961, 962, 1147, 1157, 1612, 1922, 1924, 2294, 2314, 2759, 3293, 3844, 4588, 4628, 5518, 6586, 11036, 12493, 13172, 14911, 24986, 29822, 35557, 35867, 42809, 49972, 59644, 71114, 71734, 85529, 85618, 102083, 142228, 143468, 171058, 171236, 204166, 342116, 408332, 462241, 924482, 1111877, 1327079, 1848964, 2223754, 2654158, 3164573, 4447508, 5308316, 6329146, 12658292, 41139449, 82278898, 164557796]

約数ペア:

[(1, 164557796), (2, 82278898), (4, 41139449), (13, 12658292), (26, 6329146), (31, 5308316), (37, 4447508), (52, 3164573), (62, 2654158), (74, 2223754), (89, 1848964), (124, 1327079), (148, 1111877), (178, 924482), (356, 462241), (403, 408332), (481, 342116), (806, 204166), (961, 171236), (962, 171058), (1147, 143468), (1157, 142228), (1612, 102083), (1922, 85618), (1924, 85529), (2294, 71734), (2314, 71114), (2759, 59644), (3293, 49972), (3844, 42809), (4588, 35867), (4628, 35557), (5518, 29822), (6586, 24986), (11036, 14911), (12493, 13172)]