331145984

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{5237}}^1$

素因数の和:5285

約数の個数: 72

約数和(自身を含む): 749453040

約数和(自身を除く): 418307056

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, 3328, 3952, 4864, 5237, 7904, 10474, 15808, 20948, 31616, 41896, 63232, 68081, 83792, 99503, 136162, 167584, 199006, 272324, 335168, 398012, 544648, 670336, 796024, 1089296, 1293539, 1340672, 1592048, 2178592, 2587078, 3184096, 4357184, 5174156, 6368192, 8714368, 10348312, 12736384, 17428736, 20696624, 25472768, 41393248, 82786496, 165572992, 331145984]

約数ペア:

[(1, 331145984), (2, 165572992), (4, 82786496), (8, 41393248), (13, 25472768), (16, 20696624), (19, 17428736), (26, 12736384), (32, 10348312), (38, 8714368), (52, 6368192), (64, 5174156), (76, 4357184), (104, 3184096), (128, 2587078), (152, 2178592), (208, 1592048), (247, 1340672), (256, 1293539), (304, 1089296), (416, 796024), (494, 670336), (608, 544648), (832, 398012), (988, 335168), (1216, 272324), (1664, 199006), (1976, 167584), (2432, 136162), (3328, 99503), (3952, 83792), (4864, 68081), (5237, 63232), (7904, 41896), (10474, 31616), (15808, 20948)]