287461291

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{179}}^1$

素因数の和:387

約数の個数: 32

約数和(自身を含む): 335301120

約数和(自身を除く): 47839829

約数列:

[1, 13, 23, 41, 131, 179, 299, 533, 943, 1703, 2327, 3013, 4117, 5371, 7339, 12259, 23449, 39169, 53521, 69823, 95407, 123533, 168797, 304837, 539327, 961409, 1605929, 2194361, 7011251, 12498317, 22112407, 287461291]

約数ペア:

[(1, 287461291), (13, 22112407), (23, 12498317), (41, 7011251), (131, 2194361), (179, 1605929), (299, 961409), (533, 539327), (943, 304837), (1703, 168797), (2327, 123533), (3013, 95407), (4117, 69823), (5371, 53521), (7339, 39169), (12259, 23449)]