217865172

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{19501}}^1$

素因数の和:19541

約数の個数: 72

約数和(自身を含む): 622503840

約数和(自身を除く): 404638668

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 38, 42, 49, 57, 76, 84, 98, 114, 133, 147, 196, 228, 266, 294, 399, 532, 588, 798, 931, 1596, 1862, 2793, 3724, 5586, 11172, 19501, 39002, 58503, 78004, 117006, 136507, 234012, 273014, 370519, 409521, 546028, 741038, 819042, 955549, 1111557, 1482076, 1638084, 1911098, 2223114, 2593633, 2866647, 3822196, 4446228, 5187266, 5733294, 7780899, 10374532, 11466588, 15561798, 18155431, 31123596, 36310862, 54466293, 72621724, 108932586, 217865172]

約数ペア:

[(1, 217865172), (2, 108932586), (3, 72621724), (4, 54466293), (6, 36310862), (7, 31123596), (12, 18155431), (14, 15561798), (19, 11466588), (21, 10374532), (28, 7780899), (38, 5733294), (42, 5187266), (49, 4446228), (57, 3822196), (76, 2866647), (84, 2593633), (98, 2223114), (114, 1911098), (133, 1638084), (147, 1482076), (196, 1111557), (228, 955549), (266, 819042), (294, 741038), (399, 546028), (532, 409521), (588, 370519), (798, 273014), (931, 234012), (1596, 136507), (1862, 117006), (2793, 78004), (3724, 58503), (5586, 39002), (11172, 19501)]