215565944

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{563}}^1$

素因数の和:828

約数の個数: 64

約数和(自身を含む): 466992000

約数和(自身を除く): 251426056

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 152, 209, 229, 418, 458, 563, 836, 916, 1126, 1672, 1832, 2252, 2519, 4351, 4504, 5038, 6193, 8702, 10076, 10697, 12386, 17404, 20152, 21394, 24772, 34808, 42788, 47861, 49544, 85576, 95722, 117667, 128927, 191444, 235334, 257854, 382888, 470668, 515708, 941336, 1031416, 1418197, 2449613, 2836394, 4899226, 5672788, 9798452, 11345576, 19596904, 26945743, 53891486, 107782972, 215565944]

約数ペア:

[(1, 215565944), (2, 107782972), (4, 53891486), (8, 26945743), (11, 19596904), (19, 11345576), (22, 9798452), (38, 5672788), (44, 4899226), (76, 2836394), (88, 2449613), (152, 1418197), (209, 1031416), (229, 941336), (418, 515708), (458, 470668), (563, 382888), (836, 257854), (916, 235334), (1126, 191444), (1672, 128927), (1832, 117667), (2252, 95722), (2519, 85576), (4351, 49544), (4504, 47861), (5038, 42788), (6193, 34808), (8702, 24772), (10076, 21394), (10697, 20152), (12386, 17404)]