28426764

素因数分解:

$2^2\times 3^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1\times {\mathrm{211}}^1$

素因数の和:430

約数の個数: 48

約数和(自身を含む): 67907840

約数和(自身を除く): 39481076

約数列:

[1, 2, 3, 4, 6, 12, 103, 109, 206, 211, 218, 309, 327, 412, 422, 436, 618, 633, 654, 844, 1236, 1266, 1308, 2532, 11227, 21733, 22454, 22999, 33681, 43466, 44908, 45998, 65199, 67362, 68997, 86932, 91996, 130398, 134724, 137994, 260796, 275988, 2368897, 4737794, 7106691, 9475588, 14213382, 28426764]

約数ペア:

[(1, 28426764), (2, 14213382), (3, 9475588), (4, 7106691), (6, 4737794), (12, 2368897), (103, 275988), (109, 260796), (206, 137994), (211, 134724), (218, 130398), (309, 91996), (327, 86932), (412, 68997), (422, 67362), (436, 65199), (618, 45998), (633, 44908), (654, 43466), (844, 33681), (1236, 22999), (1266, 22454), (1308, 21733), (2532, 11227)]