40961816

素因数分解:

$2^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{197}}^1$

素因数の和:336

約数の個数: 64

約数和(自身を含む): 91238400

約数和(自身を除く): 50276584

約数列:

[1, 2, 4, 7, 8, 14, 28, 47, 56, 79, 94, 158, 188, 197, 316, 329, 376, 394, 553, 632, 658, 788, 1106, 1316, 1379, 1576, 2212, 2632, 2758, 3713, 4424, 5516, 7426, 9259, 11032, 14852, 15563, 18518, 25991, 29704, 31126, 37036, 51982, 62252, 64813, 74072, 103964, 108941, 124504, 129626, 207928, 217882, 259252, 435764, 518504, 731461, 871528, 1462922, 2925844, 5120227, 5851688, 10240454, 20480908, 40961816]

約数ペア:

[(1, 40961816), (2, 20480908), (4, 10240454), (7, 5851688), (8, 5120227), (14, 2925844), (28, 1462922), (47, 871528), (56, 731461), (79, 518504), (94, 435764), (158, 259252), (188, 217882), (197, 207928), (316, 129626), (329, 124504), (376, 108941), (394, 103964), (553, 74072), (632, 64813), (658, 62252), (788, 51982), (1106, 37036), (1316, 31126), (1379, 29704), (1576, 25991), (2212, 18518), (2632, 15563), (2758, 14852), (3713, 11032), (4424, 9259), (5516, 7426)]