641609936

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{313}}^1\times {\mathrm{613}}^1$

素因数の和:964

約数の個数: 80

約数和(自身を含む): 1434402240

約数和(自身を除く): 792792304

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 76, 88, 152, 176, 209, 304, 313, 418, 613, 626, 836, 1226, 1252, 1672, 2452, 2504, 3344, 3443, 4904, 5008, 5947, 6743, 6886, 9808, 11647, 11894, 13486, 13772, 23294, 23788, 26972, 27544, 46588, 47576, 53944, 55088, 65417, 93176, 95152, 107888, 128117, 130834, 186352, 191869, 256234, 261668, 383738, 512468, 523336, 767476, 1024936, 1046672, 1534952, 2049872, 2110559, 3069904, 3645511, 4221118, 7291022, 8442236, 14582044, 16884472, 29164088, 33768944, 40100621, 58328176, 80201242, 160402484, 320804968, 641609936]

約数ペア:

[(1, 641609936), (2, 320804968), (4, 160402484), (8, 80201242), (11, 58328176), (16, 40100621), (19, 33768944), (22, 29164088), (38, 16884472), (44, 14582044), (76, 8442236), (88, 7291022), (152, 4221118), (176, 3645511), (209, 3069904), (304, 2110559), (313, 2049872), (418, 1534952), (613, 1046672), (626, 1024936), (836, 767476), (1226, 523336), (1252, 512468), (1672, 383738), (2452, 261668), (2504, 256234), (3344, 191869), (3443, 186352), (4904, 130834), (5008, 128117), (5947, 107888), (6743, 95152), (6886, 93176), (9808, 65417), (11647, 55088), (11894, 53944), (13486, 47576), (13772, 46588), (23294, 27544), (23788, 26972)]