278664412

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{12263}}^1$

素因数の和:12322

約数の個数: 48

約数和(自身を含む): 576898560

約数和(自身を除く): 298234148

約数列:

[1, 2, 4, 13, 19, 23, 26, 38, 46, 52, 76, 92, 247, 299, 437, 494, 598, 874, 988, 1196, 1748, 5681, 11362, 12263, 22724, 24526, 49052, 159419, 232997, 282049, 318838, 465994, 564098, 637676, 931988, 1128196, 3028961, 3666637, 5358931, 6057922, 7333274, 10717862, 12115844, 14666548, 21435724, 69666103, 139332206, 278664412]

約数ペア:

[(1, 278664412), (2, 139332206), (4, 69666103), (13, 21435724), (19, 14666548), (23, 12115844), (26, 10717862), (38, 7333274), (46, 6057922), (52, 5358931), (76, 3666637), (92, 3028961), (247, 1128196), (299, 931988), (437, 637676), (494, 564098), (598, 465994), (874, 318838), (988, 282049), (1196, 232997), (1748, 159419), (5681, 49052), (11362, 24526), (12263, 22724)]