289778918

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53327}}^1$

素因数の和:53372

約数の個数: 32

約数和(自身を含む): 537546240

約数和(自身を除く): 247767322

約数列:

[1, 2, 11, 13, 19, 22, 26, 38, 143, 209, 247, 286, 418, 494, 2717, 5434, 53327, 106654, 586597, 693251, 1013213, 1173194, 1386502, 2026426, 7625761, 11145343, 13171769, 15251522, 22290686, 26343538, 144889459, 289778918]

約数ペア:

[(1, 289778918), (2, 144889459), (11, 26343538), (13, 22290686), (19, 15251522), (22, 13171769), (26, 11145343), (38, 7625761), (143, 2026426), (209, 1386502), (247, 1173194), (286, 1013213), (418, 693251), (494, 586597), (2717, 106654), (5434, 53327)]