28927612

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1\times {\mathrm{193}}^1$

素因数の和:358

約数の個数: 48

約数和(自身を含む): 59838912

約数和(自身を除く): 30911300

約数列:

[1, 2, 4, 7, 14, 28, 53, 101, 106, 193, 202, 212, 371, 386, 404, 707, 742, 772, 1351, 1414, 1484, 2702, 2828, 5353, 5404, 10229, 10706, 19493, 20458, 21412, 37471, 38986, 40916, 71603, 74942, 77972, 136451, 143206, 149884, 272902, 286412, 545804, 1033129, 2066258, 4132516, 7231903, 14463806, 28927612]

約数ペア:

[(1, 28927612), (2, 14463806), (4, 7231903), (7, 4132516), (14, 2066258), (28, 1033129), (53, 545804), (101, 286412), (106, 272902), (193, 149884), (202, 143206), (212, 136451), (371, 77972), (386, 74942), (404, 71603), (707, 40916), (742, 38986), (772, 37471), (1351, 21412), (1414, 20458), (1484, 19493), (2702, 10706), (2828, 10229), (5353, 5404)]