25263896

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1$

素因数の和:276

約数の個数: 64

約数和(自身を含む): 56635200

約数和(自身を除く): 31371304

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 56, 74, 89, 137, 148, 178, 259, 274, 296, 356, 518, 548, 623, 712, 959, 1036, 1096, 1246, 1918, 2072, 2492, 3293, 3836, 4984, 5069, 6586, 7672, 10138, 12193, 13172, 20276, 23051, 24386, 26344, 35483, 40552, 46102, 48772, 70966, 85351, 92204, 97544, 141932, 170702, 184408, 283864, 341404, 451141, 682808, 902282, 1804564, 3157987, 3609128, 6315974, 12631948, 25263896]

約数ペア:

[(1, 25263896), (2, 12631948), (4, 6315974), (7, 3609128), (8, 3157987), (14, 1804564), (28, 902282), (37, 682808), (56, 451141), (74, 341404), (89, 283864), (137, 184408), (148, 170702), (178, 141932), (259, 97544), (274, 92204), (296, 85351), (356, 70966), (518, 48772), (548, 46102), (623, 40552), (712, 35483), (959, 26344), (1036, 24386), (1096, 23051), (1246, 20276), (1918, 13172), (2072, 12193), (2492, 10138), (3293, 7672), (3836, 6586), (4984, 5069)]