253669936

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{193}}^1$

素因数の和:374

約数の個数: 80

約数和(自身を含む): 545590080

約数和(自身を除く): 291920144

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 71, 89, 104, 142, 178, 193, 208, 284, 356, 386, 568, 712, 772, 923, 1136, 1157, 1424, 1544, 1846, 2314, 2509, 3088, 3692, 4628, 5018, 6319, 7384, 9256, 10036, 12638, 13703, 14768, 17177, 18512, 20072, 25276, 27406, 34354, 40144, 50552, 54812, 68708, 82147, 101104, 109624, 137416, 164294, 178139, 219248, 223301, 274832, 328588, 356278, 446602, 657176, 712556, 893204, 1219567, 1314352, 1425112, 1786408, 2439134, 2850224, 3572816, 4878268, 9756536, 15854371, 19513072, 31708742, 63417484, 126834968, 253669936]

約数ペア:

[(1, 253669936), (2, 126834968), (4, 63417484), (8, 31708742), (13, 19513072), (16, 15854371), (26, 9756536), (52, 4878268), (71, 3572816), (89, 2850224), (104, 2439134), (142, 1786408), (178, 1425112), (193, 1314352), (208, 1219567), (284, 893204), (356, 712556), (386, 657176), (568, 446602), (712, 356278), (772, 328588), (923, 274832), (1136, 223301), (1157, 219248), (1424, 178139), (1544, 164294), (1846, 137416), (2314, 109624), (2509, 101104), (3088, 82147), (3692, 68708), (4628, 54812), (5018, 50552), (6319, 40144), (7384, 34354), (9256, 27406), (10036, 25276), (12638, 20072), (13703, 18512), (14768, 17177)]