28745004

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{641}}^1$

素因数の和:786

約数の個数: 48

約数和(自身を含む): 69674976

約数和(自身を除く): 40929972

約数列:

[1, 2, 3, 4, 6, 12, 37, 74, 101, 111, 148, 202, 222, 303, 404, 444, 606, 641, 1212, 1282, 1923, 2564, 3737, 3846, 7474, 7692, 11211, 14948, 22422, 23717, 44844, 47434, 64741, 71151, 94868, 129482, 142302, 194223, 258964, 284604, 388446, 776892, 2395417, 4790834, 7186251, 9581668, 14372502, 28745004]

約数ペア:

[(1, 28745004), (2, 14372502), (3, 9581668), (4, 7186251), (6, 4790834), (12, 2395417), (37, 776892), (74, 388446), (101, 284604), (111, 258964), (148, 194223), (202, 142302), (222, 129482), (303, 94868), (404, 71151), (444, 64741), (606, 47434), (641, 44844), (1212, 23717), (1282, 22422), (1923, 14948), (2564, 11211), (3737, 7692), (3846, 7474)]