28906696

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{673}}^1$

素因数の和:758

約数の個数: 64

約数和(自身を含む): 67939200

約数和(自身を除く): 39032504

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 59, 91, 104, 118, 182, 236, 364, 413, 472, 673, 728, 767, 826, 1346, 1534, 1652, 2692, 3068, 3304, 4711, 5369, 5384, 6136, 8749, 9422, 10738, 17498, 18844, 21476, 34996, 37688, 39707, 42952, 61243, 69992, 79414, 122486, 158828, 244972, 277949, 317656, 489944, 516191, 555898, 1032382, 1111796, 2064764, 2223592, 3613337, 4129528, 7226674, 14453348, 28906696]

約数ペア:

[(1, 28906696), (2, 14453348), (4, 7226674), (7, 4129528), (8, 3613337), (13, 2223592), (14, 2064764), (26, 1111796), (28, 1032382), (52, 555898), (56, 516191), (59, 489944), (91, 317656), (104, 277949), (118, 244972), (182, 158828), (236, 122486), (364, 79414), (413, 69992), (472, 61243), (673, 42952), (728, 39707), (767, 37688), (826, 34996), (1346, 21476), (1534, 18844), (1652, 17498), (2692, 10738), (3068, 9422), (3304, 8749), (4711, 6136), (5369, 5384)]