217439488

素因数分解:

$2^8\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1709}}^1$

素因数の和:1803

約数の個数: 72

約数和(自身を含む): 503314560

約数和(自身を除く): 285875072

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 71, 112, 128, 142, 224, 256, 284, 448, 497, 568, 896, 994, 1136, 1709, 1792, 1988, 2272, 3418, 3976, 4544, 6836, 7952, 9088, 11963, 13672, 15904, 18176, 23926, 27344, 31808, 47852, 54688, 63616, 95704, 109376, 121339, 127232, 191408, 218752, 242678, 382816, 437504, 485356, 765632, 849373, 970712, 1531264, 1698746, 1941424, 3062528, 3397492, 3882848, 6794984, 7765696, 13589968, 15531392, 27179936, 31062784, 54359872, 108719744, 217439488]

約数ペア:

[(1, 217439488), (2, 108719744), (4, 54359872), (7, 31062784), (8, 27179936), (14, 15531392), (16, 13589968), (28, 7765696), (32, 6794984), (56, 3882848), (64, 3397492), (71, 3062528), (112, 1941424), (128, 1698746), (142, 1531264), (224, 970712), (256, 849373), (284, 765632), (448, 485356), (497, 437504), (568, 382816), (896, 242678), (994, 218752), (1136, 191408), (1709, 127232), (1792, 121339), (1988, 109376), (2272, 95704), (3418, 63616), (3976, 54688), (4544, 47852), (6836, 31808), (7952, 27344), (9088, 23926), (11963, 18176), (13672, 15904)]