71471988

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{1307}}^1$

素因数の和:1362

約数の個数: 108

約数和(自身を含む): 217107072

約数和(自身を除く): 145635084

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 31, 36, 42, 49, 62, 63, 84, 93, 98, 124, 126, 147, 186, 196, 217, 252, 279, 294, 372, 434, 441, 558, 588, 651, 868, 882, 1116, 1302, 1307, 1519, 1764, 1953, 2604, 2614, 3038, 3906, 3921, 4557, 5228, 6076, 7812, 7842, 9114, 9149, 11763, 13671, 15684, 18228, 18298, 23526, 27342, 27447, 36596, 40517, 47052, 54684, 54894, 64043, 81034, 82341, 109788, 121551, 128086, 162068, 164682, 192129, 243102, 256172, 283619, 329364, 364653, 384258, 486204, 567238, 576387, 729306, 768516, 850857, 1134476, 1152774, 1458612, 1701714, 1985333, 2305548, 2552571, 3403428, 3970666, 5105142, 5955999, 7941332, 10210284, 11911998, 17867997, 23823996, 35735994, 71471988]

約数ペア:

[(1, 71471988), (2, 35735994), (3, 23823996), (4, 17867997), (6, 11911998), (7, 10210284), (9, 7941332), (12, 5955999), (14, 5105142), (18, 3970666), (21, 3403428), (28, 2552571), (31, 2305548), (36, 1985333), (42, 1701714), (49, 1458612), (62, 1152774), (63, 1134476), (84, 850857), (93, 768516), (98, 729306), (124, 576387), (126, 567238), (147, 486204), (186, 384258), (196, 364653), (217, 329364), (252, 283619), (279, 256172), (294, 243102), (372, 192129), (434, 164682), (441, 162068), (558, 128086), (588, 121551), (651, 109788), (868, 82341), (882, 81034), (1116, 64043), (1302, 54894), (1307, 54684), (1519, 47052), (1764, 40517), (1953, 36596), (2604, 27447), (2614, 27342), (3038, 23526), (3906, 18298), (3921, 18228), (4557, 15684), (5228, 13671), (6076, 11763), (7812, 9149), (7842, 9114)]