168949504

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{349}}^1$

素因数の和:457

約数の個数: 72

約数和(自身を含む): 354838400

約数和(自身を除く): 185888896

約数列:

[1, 2, 4, 8, 16, 31, 32, 61, 62, 64, 122, 124, 128, 244, 248, 256, 349, 488, 496, 698, 976, 992, 1396, 1891, 1952, 1984, 2792, 3782, 3904, 3968, 5584, 7564, 7808, 7936, 10819, 11168, 15128, 15616, 21289, 21638, 22336, 30256, 42578, 43276, 44672, 60512, 85156, 86552, 89344, 121024, 170312, 173104, 242048, 340624, 346208, 484096, 659959, 681248, 692416, 1319918, 1362496, 1384832, 2639836, 2724992, 2769664, 5279672, 5449984, 10559344, 21118688, 42237376, 84474752, 168949504]

約数ペア:

[(1, 168949504), (2, 84474752), (4, 42237376), (8, 21118688), (16, 10559344), (31, 5449984), (32, 5279672), (61, 2769664), (62, 2724992), (64, 2639836), (122, 1384832), (124, 1362496), (128, 1319918), (244, 692416), (248, 681248), (256, 659959), (349, 484096), (488, 346208), (496, 340624), (698, 242048), (976, 173104), (992, 170312), (1396, 121024), (1891, 89344), (1952, 86552), (1984, 85156), (2792, 60512), (3782, 44672), (3904, 43276), (3968, 42578), (5584, 30256), (7564, 22336), (7808, 21638), (7936, 21289), (10819, 15616), (11168, 15128)]