31742464

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1$

素因数の和:301

約数の個数: 80

約数和(自身を含む): 72182880

約数和(自身を除く): 40440416

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 64, 76, 104, 128, 152, 208, 247, 251, 256, 304, 416, 494, 502, 512, 608, 832, 988, 1004, 1216, 1664, 1976, 2008, 2432, 3263, 3328, 3952, 4016, 4769, 4864, 6526, 6656, 7904, 8032, 9538, 9728, 13052, 15808, 16064, 19076, 26104, 31616, 32128, 38152, 52208, 61997, 63232, 64256, 76304, 104416, 123994, 126464, 128512, 152608, 208832, 247988, 305216, 417664, 495976, 610432, 835328, 991952, 1220864, 1670656, 1983904, 2441728, 3967808, 7935616, 15871232, 31742464]

約数ペア:

[(1, 31742464), (2, 15871232), (4, 7935616), (8, 3967808), (13, 2441728), (16, 1983904), (19, 1670656), (26, 1220864), (32, 991952), (38, 835328), (52, 610432), (64, 495976), (76, 417664), (104, 305216), (128, 247988), (152, 208832), (208, 152608), (247, 128512), (251, 126464), (256, 123994), (304, 104416), (416, 76304), (494, 64256), (502, 63232), (512, 61997), (608, 52208), (832, 38152), (988, 32128), (1004, 31616), (1216, 26104), (1664, 19076), (1976, 16064), (2008, 15808), (2432, 13052), (3263, 9728), (3328, 9538), (3952, 8032), (4016, 7904), (4769, 6656), (4864, 6526)]