128868488

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{3907}}^1$

素因数の和:3970

約数の個数: 64

約数和(自身を含む): 300134400

約数和(自身を除く): 171265912

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 31, 38, 56, 62, 76, 124, 133, 152, 217, 248, 266, 434, 532, 589, 868, 1064, 1178, 1736, 2356, 3907, 4123, 4712, 7814, 8246, 15628, 16492, 27349, 31256, 32984, 54698, 74233, 109396, 121117, 148466, 218792, 242234, 296932, 484468, 519631, 593864, 847819, 968936, 1039262, 1695638, 2078524, 2301223, 3391276, 4157048, 4602446, 6782552, 9204892, 16108561, 18409784, 32217122, 64434244, 128868488]

約数ペア:

[(1, 128868488), (2, 64434244), (4, 32217122), (7, 18409784), (8, 16108561), (14, 9204892), (19, 6782552), (28, 4602446), (31, 4157048), (38, 3391276), (56, 2301223), (62, 2078524), (76, 1695638), (124, 1039262), (133, 968936), (152, 847819), (217, 593864), (248, 519631), (266, 484468), (434, 296932), (532, 242234), (589, 218792), (868, 148466), (1064, 121117), (1178, 109396), (1736, 74233), (2356, 54698), (3907, 32984), (4123, 31256), (4712, 27349), (7814, 16492), (8246, 15628)]