251396232

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:243

約数の個数: 128

約数和(自身を含む): 675164160

約数和(自身を除く): 423767928

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 47, 71, 73, 86, 94, 129, 141, 142, 146, 172, 188, 213, 219, 258, 282, 284, 292, 344, 376, 426, 438, 516, 564, 568, 584, 852, 876, 1032, 1128, 1704, 1752, 2021, 3053, 3139, 3337, 3431, 4042, 5183, 6063, 6106, 6278, 6674, 6862, 8084, 9159, 9417, 10011, 10293, 10366, 12126, 12212, 12556, 13348, 13724, 15549, 16168, 18318, 18834, 20022, 20586, 20732, 24252, 24424, 25112, 26696, 27448, 31098, 36636, 37668, 40044, 41172, 41464, 48504, 62196, 73272, 75336, 80088, 82344, 124392, 143491, 147533, 222869, 243601, 286982, 295066, 430473, 442599, 445738, 487202, 573964, 590132, 668607, 730803, 860946, 885198, 891476, 974404, 1147928, 1180264, 1337214, 1461606, 1721892, 1770396, 1782952, 1948808, 2674428, 2923212, 3443784, 3540792, 5348856, 5846424, 10474843, 20949686, 31424529, 41899372, 62849058, 83798744, 125698116, 251396232]

約数ペア:

[(1, 251396232), (2, 125698116), (3, 83798744), (4, 62849058), (6, 41899372), (8, 31424529), (12, 20949686), (24, 10474843), (43, 5846424), (47, 5348856), (71, 3540792), (73, 3443784), (86, 2923212), (94, 2674428), (129, 1948808), (141, 1782952), (142, 1770396), (146, 1721892), (172, 1461606), (188, 1337214), (213, 1180264), (219, 1147928), (258, 974404), (282, 891476), (284, 885198), (292, 860946), (344, 730803), (376, 668607), (426, 590132), (438, 573964), (516, 487202), (564, 445738), (568, 442599), (584, 430473), (852, 295066), (876, 286982), (1032, 243601), (1128, 222869), (1704, 147533), (1752, 143491), (2021, 124392), (3053, 82344), (3139, 80088), (3337, 75336), (3431, 73272), (4042, 62196), (5183, 48504), (6063, 41464), (6106, 41172), (6278, 40044), (6674, 37668), (6862, 36636), (8084, 31098), (9159, 27448), (9417, 26696), (10011, 25112), (10293, 24424), (10366, 24252), (12126, 20732), (12212, 20586), (12556, 20022), (13348, 18834), (13724, 18318), (15549, 16168)]