81162228

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{1423}}^1$

素因数の和:1541

約数の個数: 72

約数和(自身を含む): 222724992

約数和(自身を除く): 141562764

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 97, 98, 147, 194, 196, 291, 294, 388, 582, 588, 679, 1164, 1358, 1423, 2037, 2716, 2846, 4074, 4269, 4753, 5692, 8148, 8538, 9506, 9961, 14259, 17076, 19012, 19922, 28518, 29883, 39844, 57036, 59766, 69727, 119532, 138031, 139454, 209181, 276062, 278908, 414093, 418362, 552124, 828186, 836724, 966217, 1656372, 1932434, 2898651, 3864868, 5797302, 6763519, 11594604, 13527038, 20290557, 27054076, 40581114, 81162228]

約数ペア:

[(1, 81162228), (2, 40581114), (3, 27054076), (4, 20290557), (6, 13527038), (7, 11594604), (12, 6763519), (14, 5797302), (21, 3864868), (28, 2898651), (42, 1932434), (49, 1656372), (84, 966217), (97, 836724), (98, 828186), (147, 552124), (194, 418362), (196, 414093), (291, 278908), (294, 276062), (388, 209181), (582, 139454), (588, 138031), (679, 119532), (1164, 69727), (1358, 59766), (1423, 57036), (2037, 39844), (2716, 29883), (2846, 28518), (4074, 19922), (4269, 19012), (4753, 17076), (5692, 14259), (8148, 9961), (8538, 9506)]