208541268

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^2\times {\mathrm{151}}^1\times {\mathrm{227}}^1$

素因数の和:414

約数の個数: 108

約数和(自身を含む): 577126368

約数和(自身を除く): 368585100

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 151, 156, 169, 227, 234, 302, 338, 453, 454, 468, 507, 604, 676, 681, 906, 908, 1014, 1359, 1362, 1521, 1812, 1963, 2028, 2043, 2718, 2724, 2951, 3042, 3926, 4086, 5436, 5889, 5902, 6084, 7852, 8172, 8853, 11778, 11804, 17667, 17706, 23556, 25519, 26559, 34277, 35334, 35412, 38363, 51038, 53118, 68554, 70668, 76557, 76726, 102076, 102831, 106236, 115089, 137108, 153114, 153452, 205662, 229671, 230178, 306228, 308493, 345267, 411324, 445601, 459342, 460356, 616986, 690534, 891202, 918684, 1233972, 1336803, 1381068, 1782404, 2673606, 4010409, 5347212, 5792813, 8020818, 11585626, 16041636, 17378439, 23171252, 34756878, 52135317, 69513756, 104270634, 208541268]

約数ペア:

[(1, 208541268), (2, 104270634), (3, 69513756), (4, 52135317), (6, 34756878), (9, 23171252), (12, 17378439), (13, 16041636), (18, 11585626), (26, 8020818), (36, 5792813), (39, 5347212), (52, 4010409), (78, 2673606), (117, 1782404), (151, 1381068), (156, 1336803), (169, 1233972), (227, 918684), (234, 891202), (302, 690534), (338, 616986), (453, 460356), (454, 459342), (468, 445601), (507, 411324), (604, 345267), (676, 308493), (681, 306228), (906, 230178), (908, 229671), (1014, 205662), (1359, 153452), (1362, 153114), (1521, 137108), (1812, 115089), (1963, 106236), (2028, 102831), (2043, 102076), (2718, 76726), (2724, 76557), (2951, 70668), (3042, 68554), (3926, 53118), (4086, 51038), (5436, 38363), (5889, 35412), (5902, 35334), (6084, 34277), (7852, 26559), (8172, 25519), (8853, 23556), (11778, 17706), (11804, 17667)]