213564904

素因数分解:

$2^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{619}}^1$

素因数の和:794

約数の個数: 64

約数和(自身を含む): 470505600

約数和(自身を除く): 256940696

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 61, 101, 122, 202, 244, 404, 427, 488, 619, 707, 808, 854, 1238, 1414, 1708, 2476, 2828, 3416, 4333, 4952, 5656, 6161, 8666, 12322, 17332, 24644, 34664, 37759, 43127, 49288, 62519, 75518, 86254, 125038, 151036, 172508, 250076, 264313, 302072, 345016, 437633, 500152, 528626, 875266, 1057252, 1750532, 2114504, 3501064, 3813659, 7627318, 15254636, 26695613, 30509272, 53391226, 106782452, 213564904]

約数ペア:

[(1, 213564904), (2, 106782452), (4, 53391226), (7, 30509272), (8, 26695613), (14, 15254636), (28, 7627318), (56, 3813659), (61, 3501064), (101, 2114504), (122, 1750532), (202, 1057252), (244, 875266), (404, 528626), (427, 500152), (488, 437633), (619, 345016), (707, 302072), (808, 264313), (854, 250076), (1238, 172508), (1414, 151036), (1708, 125038), (2476, 86254), (2828, 75518), (3416, 62519), (4333, 49288), (4952, 43127), (5656, 37759), (6161, 34664), (8666, 24644), (12322, 17332)]