221464912

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{4211}}^1$

素因数の和:4411

約数の個数: 40

約数和(自身を含む): 454390560

約数和(自身を除く): 232925648

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 173, 304, 346, 692, 1384, 2768, 3287, 4211, 6574, 8422, 13148, 16844, 26296, 33688, 52592, 67376, 80009, 160018, 320036, 640072, 728503, 1280144, 1457006, 2914012, 5828024, 11656048, 13841557, 27683114, 55366228, 110732456, 221464912]

約数ペア:

[(1, 221464912), (2, 110732456), (4, 55366228), (8, 27683114), (16, 13841557), (19, 11656048), (38, 5828024), (76, 2914012), (152, 1457006), (173, 1280144), (304, 728503), (346, 640072), (692, 320036), (1384, 160018), (2768, 80009), (3287, 67376), (4211, 52592), (6574, 33688), (8422, 26296), (13148, 16844)]