128621976

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{24697}}^1$

素因数の和:24744

約数の個数: 64

約数和(自身を含む): 379361280

約数和(自身を除く): 250739304

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 31, 42, 56, 62, 84, 93, 124, 168, 186, 217, 248, 372, 434, 651, 744, 868, 1302, 1736, 2604, 5208, 24697, 49394, 74091, 98788, 148182, 172879, 197576, 296364, 345758, 518637, 592728, 691516, 765607, 1037274, 1383032, 1531214, 2074548, 2296821, 3062428, 4149096, 4593642, 5359249, 6124856, 9187284, 10718498, 16077747, 18374568, 21436996, 32155494, 42873992, 64310988, 128621976]

約数ペア:

[(1, 128621976), (2, 64310988), (3, 42873992), (4, 32155494), (6, 21436996), (7, 18374568), (8, 16077747), (12, 10718498), (14, 9187284), (21, 6124856), (24, 5359249), (28, 4593642), (31, 4149096), (42, 3062428), (56, 2296821), (62, 2074548), (84, 1531214), (93, 1383032), (124, 1037274), (168, 765607), (186, 691516), (217, 592728), (248, 518637), (372, 345758), (434, 296364), (651, 197576), (744, 172879), (868, 148182), (1302, 98788), (1736, 74091), (2604, 49394), (5208, 24697)]