198738644

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{41}}^1\times {\mathrm{97}}^1$

素因数の和:217

約数の個数: 72

約数和(自身を含む): 400544424

約数和(自身を除く): 201805780

約数列:

[1, 2, 4, 13, 26, 31, 41, 52, 62, 82, 97, 124, 164, 194, 388, 403, 533, 806, 961, 1066, 1261, 1271, 1612, 1922, 2132, 2522, 2542, 3007, 3844, 3977, 5044, 5084, 6014, 7954, 12028, 12493, 15908, 16523, 24986, 33046, 39091, 39401, 49972, 51701, 66092, 78182, 78802, 93217, 103402, 123287, 156364, 157604, 186434, 206804, 246574, 372868, 493148, 512213, 1024426, 1211821, 1602731, 2048852, 2423642, 3205462, 3821897, 4847284, 6410924, 7643794, 15287588, 49684661, 99369322, 198738644]

約数ペア:

[(1, 198738644), (2, 99369322), (4, 49684661), (13, 15287588), (26, 7643794), (31, 6410924), (41, 4847284), (52, 3821897), (62, 3205462), (82, 2423642), (97, 2048852), (124, 1602731), (164, 1211821), (194, 1024426), (388, 512213), (403, 493148), (533, 372868), (806, 246574), (961, 206804), (1066, 186434), (1261, 157604), (1271, 156364), (1612, 123287), (1922, 103402), (2132, 93217), (2522, 78802), (2542, 78182), (3007, 66092), (3844, 51701), (3977, 49972), (5044, 39401), (5084, 39091), (6014, 33046), (7954, 24986), (12028, 16523), (12493, 15908)]