213248875

素因数分解:

$5^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{127}}^1$

素因数の和:269

約数の個数: 64

約数和(自身を含む): 325877760

約数和(自身を除く): 112628885

約数列:

[1, 5, 7, 19, 25, 35, 95, 101, 125, 127, 133, 175, 475, 505, 635, 665, 707, 875, 889, 1919, 2375, 2413, 2525, 3175, 3325, 3535, 4445, 9595, 12065, 12625, 12827, 13433, 15875, 16625, 16891, 17675, 22225, 47975, 60325, 64135, 67165, 84455, 88375, 89789, 111125, 239875, 243713, 301625, 320675, 335825, 422275, 448945, 1218565, 1603375, 1679125, 1705991, 2111375, 2244725, 6092825, 8529955, 11223625, 30464125, 42649775, 213248875]

約数ペア:

[(1, 213248875), (5, 42649775), (7, 30464125), (19, 11223625), (25, 8529955), (35, 6092825), (95, 2244725), (101, 2111375), (125, 1705991), (127, 1679125), (133, 1603375), (175, 1218565), (475, 448945), (505, 422275), (635, 335825), (665, 320675), (707, 301625), (875, 243713), (889, 239875), (1919, 111125), (2375, 89789), (2413, 88375), (2525, 84455), (3175, 67165), (3325, 64135), (3535, 60325), (4445, 47975), (9595, 22225), (12065, 17675), (12625, 16891), (12827, 16625), (13433, 15875)]