171955784

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{197}}^1$

素因数の和:343

約数の個数: 128

約数和(自身を含む): 439084800

約数和(自身を除く): 267129016

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 22, 26, 28, 44, 52, 56, 77, 88, 91, 104, 109, 143, 154, 182, 197, 218, 286, 308, 364, 394, 436, 572, 616, 728, 763, 788, 872, 1001, 1144, 1199, 1379, 1417, 1526, 1576, 2002, 2167, 2398, 2561, 2758, 2834, 3052, 4004, 4334, 4796, 5122, 5516, 5668, 6104, 8008, 8393, 8668, 9592, 9919, 10244, 11032, 11336, 15169, 15587, 16786, 17336, 17927, 19838, 20488, 21473, 28171, 30338, 31174, 33572, 35854, 39676, 42946, 56342, 60676, 62348, 67144, 71708, 79352, 85892, 109109, 112684, 121352, 124696, 143416, 150311, 171784, 197197, 218218, 225368, 236203, 279149, 300622, 394394, 436436, 472406, 558298, 601244, 788788, 872872, 944812, 1116596, 1202488, 1577576, 1653421, 1889624, 1954043, 2233192, 3070639, 3306842, 3908086, 6141278, 6613684, 7816172, 12282556, 13227368, 15632344, 21494473, 24565112, 42988946, 85977892, 171955784]

約数ペア:

[(1, 171955784), (2, 85977892), (4, 42988946), (7, 24565112), (8, 21494473), (11, 15632344), (13, 13227368), (14, 12282556), (22, 7816172), (26, 6613684), (28, 6141278), (44, 3908086), (52, 3306842), (56, 3070639), (77, 2233192), (88, 1954043), (91, 1889624), (104, 1653421), (109, 1577576), (143, 1202488), (154, 1116596), (182, 944812), (197, 872872), (218, 788788), (286, 601244), (308, 558298), (364, 472406), (394, 436436), (436, 394394), (572, 300622), (616, 279149), (728, 236203), (763, 225368), (788, 218218), (872, 197197), (1001, 171784), (1144, 150311), (1199, 143416), (1379, 124696), (1417, 121352), (1526, 112684), (1576, 109109), (2002, 85892), (2167, 79352), (2398, 71708), (2561, 67144), (2758, 62348), (2834, 60676), (3052, 56342), (4004, 42946), (4334, 39676), (4796, 35854), (5122, 33572), (5516, 31174), (5668, 30338), (6104, 28171), (8008, 21473), (8393, 20488), (8668, 19838), (9592, 17927), (9919, 17336), (10244, 16786), (11032, 15587), (11336, 15169)]