221533334

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{349}}^1$

素因数の和:477

約数の個数: 48

約数和(自身を含む): 380965200

約数和(自身を除く): 159431866

約数列:

[1, 2, 11, 22, 43, 61, 86, 121, 122, 242, 349, 473, 671, 698, 946, 1342, 2623, 3839, 5203, 5246, 7381, 7678, 10406, 14762, 15007, 21289, 28853, 30014, 42229, 42578, 57706, 84458, 165077, 234179, 317383, 330154, 468358, 634766, 915427, 1815847, 1830854, 2575969, 3631694, 5151938, 10069697, 20139394, 110766667, 221533334]

約数ペア:

[(1, 221533334), (2, 110766667), (11, 20139394), (22, 10069697), (43, 5151938), (61, 3631694), (86, 2575969), (121, 1830854), (122, 1815847), (242, 915427), (349, 634766), (473, 468358), (671, 330154), (698, 317383), (946, 234179), (1342, 165077), (2623, 84458), (3839, 57706), (5203, 42578), (5246, 42229), (7381, 30014), (7678, 28853), (10406, 21289), (14762, 15007)]