198810108

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{211}}^1\times {\mathrm{3739}}^1$

素因数の和:3967

約数の個数: 72

約数和(自身を含む): 577216640

約数和(自身を除く): 378406532

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 211, 252, 422, 633, 844, 1266, 1477, 1899, 2532, 2954, 3739, 3798, 4431, 5908, 7478, 7596, 8862, 11217, 13293, 14956, 17724, 22434, 26173, 26586, 33651, 44868, 52346, 53172, 67302, 78519, 104692, 134604, 157038, 235557, 314076, 471114, 788929, 942228, 1577858, 2366787, 3155716, 4733574, 5522503, 7100361, 9467148, 11045006, 14200722, 16567509, 22090012, 28401444, 33135018, 49702527, 66270036, 99405054, 198810108]

約数ペア:

[(1, 198810108), (2, 99405054), (3, 66270036), (4, 49702527), (6, 33135018), (7, 28401444), (9, 22090012), (12, 16567509), (14, 14200722), (18, 11045006), (21, 9467148), (28, 7100361), (36, 5522503), (42, 4733574), (63, 3155716), (84, 2366787), (126, 1577858), (211, 942228), (252, 788929), (422, 471114), (633, 314076), (844, 235557), (1266, 157038), (1477, 134604), (1899, 104692), (2532, 78519), (2954, 67302), (3739, 53172), (3798, 52346), (4431, 44868), (5908, 33651), (7478, 26586), (7596, 26173), (8862, 22434), (11217, 17724), (13293, 14956)]