72705346

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1$

素因数の和:223

約数の個数: 64

約数和(自身を含む): 136857600

約数和(自身を除く): 64152254

約数列:

[1, 2, 7, 14, 23, 43, 46, 59, 86, 89, 118, 161, 178, 301, 322, 413, 602, 623, 826, 989, 1246, 1357, 1978, 2047, 2537, 2714, 3827, 4094, 5074, 5251, 6923, 7654, 9499, 10502, 13846, 14329, 17759, 18998, 26789, 28658, 35518, 36757, 53578, 58351, 73514, 88021, 116702, 120773, 176042, 225793, 241546, 408457, 451586, 616147, 816914, 845411, 1232294, 1580551, 1690822, 3161102, 5193239, 10386478, 36352673, 72705346]

約数ペア:

[(1, 72705346), (2, 36352673), (7, 10386478), (14, 5193239), (23, 3161102), (43, 1690822), (46, 1580551), (59, 1232294), (86, 845411), (89, 816914), (118, 616147), (161, 451586), (178, 408457), (301, 241546), (322, 225793), (413, 176042), (602, 120773), (623, 116702), (826, 88021), (989, 73514), (1246, 58351), (1357, 53578), (1978, 36757), (2047, 35518), (2537, 28658), (2714, 26789), (3827, 18998), (4094, 17759), (5074, 14329), (5251, 13846), (6923, 10502), (7654, 9499)]