2105349376

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{20407}}^1$

素因数の和:20467

約数の個数: 72

約数和(自身を含む): 4671962624

約数和(自身を除く): 2566613248

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 104, 124, 128, 208, 248, 256, 403, 416, 496, 806, 832, 992, 1612, 1664, 1984, 3224, 3328, 3968, 6448, 7936, 12896, 20407, 25792, 40814, 51584, 81628, 103168, 163256, 265291, 326512, 530582, 632617, 653024, 1061164, 1265234, 1306048, 2122328, 2530468, 2612096, 4244656, 5060936, 5224192, 8224021, 8489312, 10121872, 16448042, 16978624, 20243744, 32896084, 33957248, 40487488, 65792168, 67914496, 80974976, 131584336, 161949952, 263168672, 526337344, 1052674688, 2105349376]

約数ペア:

[(1, 2105349376), (2, 1052674688), (4, 526337344), (8, 263168672), (13, 161949952), (16, 131584336), (26, 80974976), (31, 67914496), (32, 65792168), (52, 40487488), (62, 33957248), (64, 32896084), (104, 20243744), (124, 16978624), (128, 16448042), (208, 10121872), (248, 8489312), (256, 8224021), (403, 5224192), (416, 5060936), (496, 4244656), (806, 2612096), (832, 2530468), (992, 2122328), (1612, 1306048), (1664, 1265234), (1984, 1061164), (3224, 653024), (3328, 632617), (3968, 530582), (6448, 326512), (7936, 265291), (12896, 163256), (20407, 103168), (25792, 81628), (40814, 51584)]