281024926

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1489}}^1$

素因数の和:1589

約数の個数: 64

約数和(自身を含む): 558714240

約数和(自身を除く): 277689314

約数列:

[1, 2, 7, 13, 14, 17, 26, 34, 61, 91, 119, 122, 182, 221, 238, 427, 442, 793, 854, 1037, 1489, 1547, 1586, 2074, 2978, 3094, 5551, 7259, 10423, 11102, 13481, 14518, 19357, 20846, 25313, 26962, 38714, 50626, 90829, 94367, 135499, 177191, 181658, 188734, 270998, 329069, 354382, 635803, 658138, 1180777, 1271606, 1544093, 2303483, 2361554, 3088186, 4606966, 8265439, 10808651, 16530878, 20073209, 21617302, 40146418, 140512463, 281024926]

約数ペア:

[(1, 281024926), (2, 140512463), (7, 40146418), (13, 21617302), (14, 20073209), (17, 16530878), (26, 10808651), (34, 8265439), (61, 4606966), (91, 3088186), (119, 2361554), (122, 2303483), (182, 1544093), (221, 1271606), (238, 1180777), (427, 658138), (442, 635803), (793, 354382), (854, 329069), (1037, 270998), (1489, 188734), (1547, 181658), (1586, 177191), (2074, 135499), (2978, 94367), (3094, 90829), (5551, 50626), (7259, 38714), (10423, 26962), (11102, 25313), (13481, 20846), (14518, 19357)]