201520384

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3187}}^1$

素因数の和:3235

約数の個数: 72

約数和(自身を含む): 456139040

約数和(自身を除く): 254618656

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 64, 76, 104, 128, 152, 208, 247, 256, 304, 416, 494, 608, 832, 988, 1216, 1664, 1976, 2432, 3187, 3328, 3952, 4864, 6374, 7904, 12748, 15808, 25496, 31616, 41431, 50992, 60553, 63232, 82862, 101984, 121106, 165724, 203968, 242212, 331448, 407936, 484424, 662896, 787189, 815872, 968848, 1325792, 1574378, 1937696, 2651584, 3148756, 3875392, 5303168, 6297512, 7750784, 10606336, 12595024, 15501568, 25190048, 50380096, 100760192, 201520384]

約数ペア:

[(1, 201520384), (2, 100760192), (4, 50380096), (8, 25190048), (13, 15501568), (16, 12595024), (19, 10606336), (26, 7750784), (32, 6297512), (38, 5303168), (52, 3875392), (64, 3148756), (76, 2651584), (104, 1937696), (128, 1574378), (152, 1325792), (208, 968848), (247, 815872), (256, 787189), (304, 662896), (416, 484424), (494, 407936), (608, 331448), (832, 242212), (988, 203968), (1216, 165724), (1664, 121106), (1976, 101984), (2432, 82862), (3187, 63232), (3328, 60553), (3952, 50992), (4864, 41431), (6374, 31616), (7904, 25496), (12748, 15808)]