221985296

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{199}}^1$

素因数の和:424

約数の個数: 80

約数和(自身を含む): 483302400

約数和(自身を除く): 261317104

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 173, 199, 208, 248, 346, 398, 403, 496, 692, 796, 806, 1384, 1592, 1612, 2249, 2587, 2768, 3184, 3224, 4498, 5174, 5363, 6169, 6448, 8996, 10348, 10726, 12338, 17992, 20696, 21452, 24676, 34427, 35984, 41392, 42904, 49352, 68854, 69719, 80197, 85808, 98704, 137708, 139438, 160394, 275416, 278876, 320788, 447551, 550832, 557752, 641576, 895102, 1067237, 1115504, 1283152, 1790204, 2134474, 3580408, 4268948, 7160816, 8537896, 13874081, 17075792, 27748162, 55496324, 110992648, 221985296]

約数ペア:

[(1, 221985296), (2, 110992648), (4, 55496324), (8, 27748162), (13, 17075792), (16, 13874081), (26, 8537896), (31, 7160816), (52, 4268948), (62, 3580408), (104, 2134474), (124, 1790204), (173, 1283152), (199, 1115504), (208, 1067237), (248, 895102), (346, 641576), (398, 557752), (403, 550832), (496, 447551), (692, 320788), (796, 278876), (806, 275416), (1384, 160394), (1592, 139438), (1612, 137708), (2249, 98704), (2587, 85808), (2768, 80197), (3184, 69719), (3224, 68854), (4498, 49352), (5174, 42904), (5363, 41392), (6169, 35984), (6448, 34427), (8996, 24676), (10348, 21452), (10726, 20696), (12338, 17992)]