138915588

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{7621}}^1$

素因数の和:7673

約数の個数: 72

約数和(自身を含む): 389270784

約数和(自身を除く): 250355196

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 31, 42, 49, 62, 84, 93, 98, 124, 147, 186, 196, 217, 294, 372, 434, 588, 651, 868, 1302, 1519, 2604, 3038, 4557, 6076, 7621, 9114, 15242, 18228, 22863, 30484, 45726, 53347, 91452, 106694, 160041, 213388, 236251, 320082, 373429, 472502, 640164, 708753, 746858, 945004, 1120287, 1417506, 1493716, 1653757, 2240574, 2835012, 3307514, 4481148, 4961271, 6615028, 9922542, 11576299, 19845084, 23152598, 34728897, 46305196, 69457794, 138915588]

約数ペア:

[(1, 138915588), (2, 69457794), (3, 46305196), (4, 34728897), (6, 23152598), (7, 19845084), (12, 11576299), (14, 9922542), (21, 6615028), (28, 4961271), (31, 4481148), (42, 3307514), (49, 2835012), (62, 2240574), (84, 1653757), (93, 1493716), (98, 1417506), (124, 1120287), (147, 945004), (186, 746858), (196, 708753), (217, 640164), (294, 472502), (372, 373429), (434, 320082), (588, 236251), (651, 213388), (868, 160041), (1302, 106694), (1519, 91452), (2604, 53347), (3038, 45726), (4557, 30484), (6076, 22863), (7621, 18228), (9114, 15242)]