208912788

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{211}}^1\times {\mathrm{3929}}^1$

素因数の和:4157

約数の個数: 72

約数和(自身を含む): 606540480

約数和(自身を除く): 397627692

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, 3798, 3929, 4431, 5908, 7596, 7858, 8862, 11787, 13293, 15716, 17724, 23574, 26586, 27503, 35361, 47148, 53172, 55006, 70722, 82509, 110012, 141444, 165018, 247527, 330036, 495054, 829019, 990108, 1658038, 2487057, 3316076, 4974114, 5803133, 7461171, 9948228, 11606266, 14922342, 17409399, 23212532, 29844684, 34818798, 52228197, 69637596, 104456394, 208912788]

約数ペア:

[(1, 208912788), (2, 104456394), (3, 69637596), (4, 52228197), (6, 34818798), (7, 29844684), (9, 23212532), (12, 17409399), (14, 14922342), (18, 11606266), (21, 9948228), (28, 7461171), (36, 5803133), (42, 4974114), (63, 3316076), (84, 2487057), (126, 1658038), (211, 990108), (252, 829019), (422, 495054), (633, 330036), (844, 247527), (1266, 165018), (1477, 141444), (1899, 110012), (2532, 82509), (2954, 70722), (3798, 55006), (3929, 53172), (4431, 47148), (5908, 35361), (7596, 27503), (7858, 26586), (8862, 23574), (11787, 17724), (13293, 15716)]