78128834

素因数分解:

$2^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{163}}^1$

素因数の和:319

約数の個数: 48

約数和(自身を含む): 141117408

約数和(自身を除く): 62988574

約数列:

[1, 2, 7, 14, 49, 67, 73, 98, 134, 146, 163, 326, 469, 511, 938, 1022, 1141, 2282, 3283, 3577, 4891, 6566, 7154, 7987, 9782, 10921, 11899, 15974, 21842, 23798, 34237, 68474, 76447, 83293, 152894, 166586, 239659, 479318, 535129, 583051, 797233, 1070258, 1166102, 1594466, 5580631, 11161262, 39064417, 78128834]

約数ペア:

[(1, 78128834), (2, 39064417), (7, 11161262), (14, 5580631), (49, 1594466), (67, 1166102), (73, 1070258), (98, 797233), (134, 583051), (146, 535129), (163, 479318), (326, 239659), (469, 166586), (511, 152894), (938, 83293), (1022, 76447), (1141, 68474), (2282, 34237), (3283, 23798), (3577, 21842), (4891, 15974), (6566, 11899), (7154, 10921), (7987, 9782)]