81199352

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1$

素因数の和:336

約数の個数: 64

約数和(自身を含む): 170402400

約数和(自身を除く): 89203048

約数列:

[1, 2, 4, 8, 13, 26, 41, 52, 82, 104, 137, 139, 164, 274, 278, 328, 533, 548, 556, 1066, 1096, 1112, 1781, 1807, 2132, 3562, 3614, 4264, 5617, 5699, 7124, 7228, 11234, 11398, 14248, 14456, 19043, 22468, 22796, 38086, 44936, 45592, 73021, 74087, 76172, 146042, 148174, 152344, 247559, 292084, 296348, 495118, 584168, 592696, 780763, 990236, 1561526, 1980472, 3123052, 6246104, 10149919, 20299838, 40599676, 81199352]

約数ペア:

[(1, 81199352), (2, 40599676), (4, 20299838), (8, 10149919), (13, 6246104), (26, 3123052), (41, 1980472), (52, 1561526), (82, 990236), (104, 780763), (137, 592696), (139, 584168), (164, 495118), (274, 296348), (278, 292084), (328, 247559), (533, 152344), (548, 148174), (556, 146042), (1066, 76172), (1096, 74087), (1112, 73021), (1781, 45592), (1807, 44936), (2132, 38086), (3562, 22796), (3614, 22468), (4264, 19043), (5617, 14456), (5699, 14248), (7124, 11398), (7228, 11234)]