257527088

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{2131}}^1$

素因数の和:2242

約数の個数: 80

約数和(自身を含む): 621793536

約数和(自身を除く): 364266448

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 83, 91, 104, 112, 166, 182, 208, 332, 364, 581, 664, 728, 1079, 1162, 1328, 1456, 2131, 2158, 2324, 4262, 4316, 4648, 7553, 8524, 8632, 9296, 14917, 15106, 17048, 17264, 27703, 29834, 30212, 34096, 55406, 59668, 60424, 110812, 119336, 120848, 176873, 193921, 221624, 238672, 353746, 387842, 443248, 707492, 775684, 1238111, 1414984, 1551368, 2299349, 2476222, 2829968, 3102736, 4598698, 4952444, 9197396, 9904888, 16095443, 18394792, 19809776, 32190886, 36789584, 64381772, 128763544, 257527088]

約数ペア:

[(1, 257527088), (2, 128763544), (4, 64381772), (7, 36789584), (8, 32190886), (13, 19809776), (14, 18394792), (16, 16095443), (26, 9904888), (28, 9197396), (52, 4952444), (56, 4598698), (83, 3102736), (91, 2829968), (104, 2476222), (112, 2299349), (166, 1551368), (182, 1414984), (208, 1238111), (332, 775684), (364, 707492), (581, 443248), (664, 387842), (728, 353746), (1079, 238672), (1162, 221624), (1328, 193921), (1456, 176873), (2131, 120848), (2158, 119336), (2324, 110812), (4262, 60424), (4316, 59668), (4648, 55406), (7553, 34096), (8524, 30212), (8632, 29834), (9296, 27703), (14917, 17264), (15106, 17048)]