28836899

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1$

素因数の和:251

約数の個数: 32

約数和(自身を含む): 37255680

約数和(自身を除く): 8418781

約数列:

[1, 7, 13, 41, 59, 91, 131, 287, 413, 533, 767, 917, 1703, 2419, 3731, 5369, 5371, 7729, 11921, 16933, 31447, 37597, 54103, 69823, 100477, 220129, 316889, 488761, 703339, 2218223, 4119557, 28836899]

約数ペア:

[(1, 28836899), (7, 4119557), (13, 2218223), (41, 703339), (59, 488761), (91, 316889), (131, 220129), (287, 100477), (413, 69823), (533, 54103), (767, 37597), (917, 31447), (1703, 16933), (2419, 11921), (3731, 7729), (5369, 5371)]