215410356

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{313}}^1\times {\mathrm{2731}}^1$

素因数の和:3061

約数の個数: 72

約数和(自身を含む): 624513344

約数和(自身を除く): 409102988

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 313, 626, 939, 1252, 1878, 2191, 2731, 2817, 3756, 4382, 5462, 5634, 6573, 8193, 8764, 10924, 11268, 13146, 16386, 19117, 19719, 24579, 26292, 32772, 38234, 39438, 49158, 57351, 76468, 78876, 98316, 114702, 172053, 229404, 344106, 688212, 854803, 1709606, 2564409, 3419212, 5128818, 5983621, 7693227, 10257636, 11967242, 15386454, 17950863, 23934484, 30772908, 35901726, 53852589, 71803452, 107705178, 215410356]

約数ペア:

[(1, 215410356), (2, 107705178), (3, 71803452), (4, 53852589), (6, 35901726), (7, 30772908), (9, 23934484), (12, 17950863), (14, 15386454), (18, 11967242), (21, 10257636), (28, 7693227), (36, 5983621), (42, 5128818), (63, 3419212), (84, 2564409), (126, 1709606), (252, 854803), (313, 688212), (626, 344106), (939, 229404), (1252, 172053), (1878, 114702), (2191, 98316), (2731, 78876), (2817, 76468), (3756, 57351), (4382, 49158), (5462, 39438), (5634, 38234), (6573, 32772), (8193, 26292), (8764, 24579), (10924, 19719), (11268, 19117), (13146, 16386)]