28939736

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{461}}^1$

素因数の和:552

約数の個数: 64

約数和(自身を含む): 66528000

約数和(自身を除く): 37588264

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 59, 76, 118, 133, 152, 236, 266, 413, 461, 472, 532, 826, 922, 1064, 1121, 1652, 1844, 2242, 3227, 3304, 3688, 4484, 6454, 7847, 8759, 8968, 12908, 15694, 17518, 25816, 27199, 31388, 35036, 54398, 61313, 62776, 70072, 108796, 122626, 190393, 217592, 245252, 380786, 490504, 516781, 761572, 1033562, 1523144, 2067124, 3617467, 4134248, 7234934, 14469868, 28939736]

約数ペア:

[(1, 28939736), (2, 14469868), (4, 7234934), (7, 4134248), (8, 3617467), (14, 2067124), (19, 1523144), (28, 1033562), (38, 761572), (56, 516781), (59, 490504), (76, 380786), (118, 245252), (133, 217592), (152, 190393), (236, 122626), (266, 108796), (413, 70072), (461, 62776), (472, 61313), (532, 54398), (826, 35036), (922, 31388), (1064, 27199), (1121, 25816), (1652, 17518), (1844, 15694), (2242, 12908), (3227, 8968), (3304, 8759), (3688, 7847), (4484, 6454)]