253669325

素因数分解:

$5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{937}}^1$

素因数の和:991

約数の個数: 72

約数和(自身を含む): 417676392

約数和(自身を除く): 164007067

約数列:

[1, 5, 7, 13, 17, 25, 35, 49, 65, 85, 91, 119, 175, 221, 245, 325, 425, 455, 595, 637, 833, 937, 1105, 1225, 1547, 2275, 2975, 3185, 4165, 4685, 5525, 6559, 7735, 10829, 12181, 15925, 15929, 20825, 23425, 32795, 38675, 45913, 54145, 60905, 79645, 85267, 111503, 163975, 207077, 229565, 270725, 304525, 398225, 426335, 557515, 596869, 780521, 1035385, 1147825, 1449539, 2131675, 2787575, 2984345, 3902605, 5176925, 7247695, 10146773, 14921725, 19513025, 36238475, 50733865, 253669325]

約数ペア:

[(1, 253669325), (5, 50733865), (7, 36238475), (13, 19513025), (17, 14921725), (25, 10146773), (35, 7247695), (49, 5176925), (65, 3902605), (85, 2984345), (91, 2787575), (119, 2131675), (175, 1449539), (221, 1147825), (245, 1035385), (325, 780521), (425, 596869), (455, 557515), (595, 426335), (637, 398225), (833, 304525), (937, 270725), (1105, 229565), (1225, 207077), (1547, 163975), (2275, 111503), (2975, 85267), (3185, 79645), (4165, 60905), (4685, 54145), (5525, 45913), (6559, 38675), (7735, 32795), (10829, 23425), (12181, 20825), (15925, 15929)]