161222824

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:191

約数の個数: 128

約数和(自身を含む): 383201280

約数和(自身を除く): 221978456

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 41, 43, 46, 56, 71, 82, 86, 92, 142, 161, 164, 172, 184, 284, 287, 301, 322, 328, 344, 497, 568, 574, 602, 644, 943, 989, 994, 1148, 1204, 1288, 1633, 1763, 1886, 1978, 1988, 2296, 2408, 2911, 3053, 3266, 3526, 3772, 3956, 3976, 5822, 6106, 6532, 6601, 6923, 7052, 7544, 7912, 11431, 11644, 12212, 12341, 13064, 13202, 13846, 14104, 20377, 21371, 22862, 23288, 24424, 24682, 26404, 27692, 40549, 40754, 42742, 45724, 49364, 52808, 55384, 66953, 70219, 81098, 81508, 85484, 91448, 98728, 125173, 133906, 140438, 162196, 163016, 170968, 250346, 267812, 280876, 283843, 324392, 468671, 491533, 500692, 535624, 561752, 567686, 876211, 937342, 983066, 1001384, 1135372, 1752422, 1874684, 1966132, 2270744, 2878979, 3504844, 3749368, 3932264, 5757958, 7009688, 11515916, 20152853, 23031832, 40305706, 80611412, 161222824]

約数ペア:

[(1, 161222824), (2, 80611412), (4, 40305706), (7, 23031832), (8, 20152853), (14, 11515916), (23, 7009688), (28, 5757958), (41, 3932264), (43, 3749368), (46, 3504844), (56, 2878979), (71, 2270744), (82, 1966132), (86, 1874684), (92, 1752422), (142, 1135372), (161, 1001384), (164, 983066), (172, 937342), (184, 876211), (284, 567686), (287, 561752), (301, 535624), (322, 500692), (328, 491533), (344, 468671), (497, 324392), (568, 283843), (574, 280876), (602, 267812), (644, 250346), (943, 170968), (989, 163016), (994, 162196), (1148, 140438), (1204, 133906), (1288, 125173), (1633, 98728), (1763, 91448), (1886, 85484), (1978, 81508), (1988, 81098), (2296, 70219), (2408, 66953), (2911, 55384), (3053, 52808), (3266, 49364), (3526, 45724), (3772, 42742), (3956, 40754), (3976, 40549), (5822, 27692), (6106, 26404), (6532, 24682), (6601, 24424), (6923, 23288), (7052, 22862), (7544, 21371), (7912, 20377), (11431, 14104), (11644, 13846), (12212, 13202), (12341, 13064)]