251017312

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{86201}}^1$

素因数の和:86231

約数の個数: 48

約数和(自身を含む): 608241312

約数和(自身を除く): 357224000

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 91, 104, 112, 182, 208, 224, 364, 416, 728, 1456, 2912, 86201, 172402, 344804, 603407, 689608, 1120613, 1206814, 1379216, 2241226, 2413628, 2758432, 4482452, 4827256, 7844291, 8964904, 9654512, 15688582, 17929808, 19309024, 31377164, 35859616, 62754328, 125508656, 251017312]

約数ペア:

[(1, 251017312), (2, 125508656), (4, 62754328), (7, 35859616), (8, 31377164), (13, 19309024), (14, 17929808), (16, 15688582), (26, 9654512), (28, 8964904), (32, 7844291), (52, 4827256), (56, 4482452), (91, 2758432), (104, 2413628), (112, 2241226), (182, 1379216), (208, 1206814), (224, 1120613), (364, 689608), (416, 603407), (728, 344804), (1456, 172402), (2912, 86201)]