388756992

素因数分解:

$2^9\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19469}}^1$

素因数の和:19503

約数の個数: 80

約数和(自身を含む): 1115397360

約数和(自身を除く): 726640368

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 78, 96, 104, 128, 156, 192, 208, 256, 312, 384, 416, 512, 624, 768, 832, 1248, 1536, 1664, 2496, 3328, 4992, 6656, 9984, 19469, 19968, 38938, 58407, 77876, 116814, 155752, 233628, 253097, 311504, 467256, 506194, 623008, 759291, 934512, 1012388, 1246016, 1518582, 1869024, 2024776, 2492032, 3037164, 3738048, 4049552, 4984064, 6074328, 7476096, 8099104, 9968128, 12148656, 14952192, 16198208, 24297312, 29904384, 32396416, 48594624, 64792832, 97189248, 129585664, 194378496, 388756992]

約数ペア:

[(1, 388756992), (2, 194378496), (3, 129585664), (4, 97189248), (6, 64792832), (8, 48594624), (12, 32396416), (13, 29904384), (16, 24297312), (24, 16198208), (26, 14952192), (32, 12148656), (39, 9968128), (48, 8099104), (52, 7476096), (64, 6074328), (78, 4984064), (96, 4049552), (104, 3738048), (128, 3037164), (156, 2492032), (192, 2024776), (208, 1869024), (256, 1518582), (312, 1246016), (384, 1012388), (416, 934512), (512, 759291), (624, 623008), (768, 506194), (832, 467256), (1248, 311504), (1536, 253097), (1664, 233628), (2496, 155752), (3328, 116814), (4992, 77876), (6656, 58407), (9984, 38938), (19469, 19968)]