131226816

素因数分解:

$2^6\times 3^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{389}}^1$

素因数の和:662

約数の個数: 112

約数和(自身を含む): 399409920

約数和(自身を除く): 268183104

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 168, 192, 224, 251, 336, 389, 448, 502, 672, 753, 778, 1004, 1167, 1344, 1506, 1556, 1757, 2008, 2334, 2723, 3012, 3112, 3514, 4016, 4668, 5271, 5446, 6024, 6224, 7028, 8032, 8169, 9336, 10542, 10892, 12048, 12448, 14056, 16064, 16338, 18672, 21084, 21784, 24096, 24896, 28112, 32676, 37344, 42168, 43568, 48192, 56224, 65352, 74688, 84336, 87136, 97639, 112448, 130704, 168672, 174272, 195278, 261408, 292917, 337344, 390556, 522816, 585834, 683473, 781112, 1171668, 1366946, 1562224, 2050419, 2343336, 2733892, 3124448, 4100838, 4686672, 5467784, 6248896, 8201676, 9373344, 10935568, 16403352, 18746688, 21871136, 32806704, 43742272, 65613408, 131226816]

約数ペア:

[(1, 131226816), (2, 65613408), (3, 43742272), (4, 32806704), (6, 21871136), (7, 18746688), (8, 16403352), (12, 10935568), (14, 9373344), (16, 8201676), (21, 6248896), (24, 5467784), (28, 4686672), (32, 4100838), (42, 3124448), (48, 2733892), (56, 2343336), (64, 2050419), (84, 1562224), (96, 1366946), (112, 1171668), (168, 781112), (192, 683473), (224, 585834), (251, 522816), (336, 390556), (389, 337344), (448, 292917), (502, 261408), (672, 195278), (753, 174272), (778, 168672), (1004, 130704), (1167, 112448), (1344, 97639), (1506, 87136), (1556, 84336), (1757, 74688), (2008, 65352), (2334, 56224), (2723, 48192), (3012, 43568), (3112, 42168), (3514, 37344), (4016, 32676), (4668, 28112), (5271, 24896), (5446, 24096), (6024, 21784), (6224, 21084), (7028, 18672), (8032, 16338), (8169, 16064), (9336, 14056), (10542, 12448), (10892, 12048)]