261387684

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{3217}}^1$

素因数の和:3325

約数の個数: 72

約数和(自身を含む): 689926328

約数和(自身を除く): 428538644

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 61, 74, 111, 122, 148, 183, 222, 244, 333, 366, 444, 549, 666, 732, 1098, 1332, 2196, 2257, 3217, 4514, 6434, 6771, 9028, 9651, 12868, 13542, 19302, 20313, 27084, 28953, 38604, 40626, 57906, 81252, 115812, 119029, 196237, 238058, 357087, 392474, 476116, 588711, 714174, 784948, 1071261, 1177422, 1428348, 1766133, 2142522, 2354844, 3532266, 4285044, 7064532, 7260769, 14521538, 21782307, 29043076, 43564614, 65346921, 87129228, 130693842, 261387684]

約数ペア:

[(1, 261387684), (2, 130693842), (3, 87129228), (4, 65346921), (6, 43564614), (9, 29043076), (12, 21782307), (18, 14521538), (36, 7260769), (37, 7064532), (61, 4285044), (74, 3532266), (111, 2354844), (122, 2142522), (148, 1766133), (183, 1428348), (222, 1177422), (244, 1071261), (333, 784948), (366, 714174), (444, 588711), (549, 476116), (666, 392474), (732, 357087), (1098, 238058), (1332, 196237), (2196, 119029), (2257, 115812), (3217, 81252), (4514, 57906), (6434, 40626), (6771, 38604), (9028, 28953), (9651, 27084), (12868, 20313), (13542, 19302)]