389611648

素因数分解:

$2^7\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{997}}^1$

素因数の和:1125

約数の個数: 64

約数和(自身を含む): 806224320

約数和(自身を除く): 416612672

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 71, 86, 128, 142, 172, 284, 344, 568, 688, 997, 1136, 1376, 1994, 2272, 2752, 3053, 3988, 4544, 5504, 6106, 7976, 9088, 12212, 15952, 24424, 31904, 42871, 48848, 63808, 70787, 85742, 97696, 127616, 141574, 171484, 195392, 283148, 342968, 390784, 566296, 685936, 1132592, 1371872, 2265184, 2743744, 3043841, 4530368, 5487488, 6087682, 9060736, 12175364, 24350728, 48701456, 97402912, 194805824, 389611648]

約数ペア:

[(1, 389611648), (2, 194805824), (4, 97402912), (8, 48701456), (16, 24350728), (32, 12175364), (43, 9060736), (64, 6087682), (71, 5487488), (86, 4530368), (128, 3043841), (142, 2743744), (172, 2265184), (284, 1371872), (344, 1132592), (568, 685936), (688, 566296), (997, 390784), (1136, 342968), (1376, 283148), (1994, 195392), (2272, 171484), (2752, 141574), (3053, 127616), (3988, 97696), (4544, 85742), (5504, 70787), (6106, 63808), (7976, 48848), (9088, 42871), (12212, 31904), (15952, 24424)]