78275806

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1$

素因数の和:217

約数の個数: 64

約数和(自身を含む): 146313216

約数和(自身を除く): 68037410

約数列:

[1, 2, 7, 14, 31, 41, 53, 62, 82, 83, 106, 166, 217, 287, 371, 434, 574, 581, 742, 1162, 1271, 1643, 2173, 2542, 2573, 3286, 3403, 4346, 4399, 5146, 6806, 8798, 8897, 11501, 15211, 17794, 18011, 23002, 23821, 30422, 30793, 36022, 47642, 61586, 67363, 105493, 134726, 136369, 180359, 210986, 272738, 360718, 471541, 738451, 943082, 954583, 1262513, 1476902, 1909166, 2525026, 5591129, 11182258, 39137903, 78275806]

約数ペア:

[(1, 78275806), (2, 39137903), (7, 11182258), (14, 5591129), (31, 2525026), (41, 1909166), (53, 1476902), (62, 1262513), (82, 954583), (83, 943082), (106, 738451), (166, 471541), (217, 360718), (287, 272738), (371, 210986), (434, 180359), (574, 136369), (581, 134726), (742, 105493), (1162, 67363), (1271, 61586), (1643, 47642), (2173, 36022), (2542, 30793), (2573, 30422), (3286, 23821), (3403, 23002), (4346, 18011), (4399, 17794), (5146, 15211), (6806, 11501), (8798, 8897)]