25224628

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1$

素因数の和:269

約数の個数: 72

約数和(自身を含む): 55264160

約数和(自身を除く): 30039532

約数列:

[1, 2, 4, 11, 13, 19, 22, 26, 38, 44, 52, 76, 121, 143, 209, 211, 242, 247, 286, 418, 422, 484, 494, 572, 836, 844, 988, 1573, 2299, 2321, 2717, 2743, 3146, 4009, 4598, 4642, 5434, 5486, 6292, 8018, 9196, 9284, 10868, 10972, 16036, 25531, 29887, 30173, 44099, 51062, 52117, 59774, 60346, 88198, 102124, 104234, 119548, 120692, 176396, 208468, 331903, 485089, 573287, 663806, 970178, 1146574, 1327612, 1940356, 2293148, 6306157, 12612314, 25224628]

約数ペア:

[(1, 25224628), (2, 12612314), (4, 6306157), (11, 2293148), (13, 1940356), (19, 1327612), (22, 1146574), (26, 970178), (38, 663806), (44, 573287), (52, 485089), (76, 331903), (121, 208468), (143, 176396), (209, 120692), (211, 119548), (242, 104234), (247, 102124), (286, 88198), (418, 60346), (422, 59774), (484, 52117), (494, 51062), (572, 44099), (836, 30173), (844, 29887), (988, 25531), (1573, 16036), (2299, 10972), (2321, 10868), (2717, 9284), (2743, 9196), (3146, 8018), (4009, 6292), (4598, 5486), (4642, 5434)]