638462006

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{739}}^1$

素因数の和:909

約数の個数: 64

約数和(自身を含む): 1217341440

約数和(自身を除く): 578879434

約数列:

[1, 2, 7, 13, 14, 26, 47, 91, 94, 101, 182, 202, 329, 611, 658, 707, 739, 1222, 1313, 1414, 1478, 2626, 4277, 4747, 5173, 8554, 9191, 9494, 9607, 10346, 18382, 19214, 33229, 34733, 61711, 66458, 67249, 69466, 74639, 123422, 134498, 149278, 243131, 431977, 451529, 486262, 522473, 863954, 903058, 970307, 1044946, 1940614, 3160703, 3508033, 6321406, 6792149, 7016066, 13584298, 24556231, 45604429, 49112462, 91208858, 319231003, 638462006]

約数ペア:

[(1, 638462006), (2, 319231003), (7, 91208858), (13, 49112462), (14, 45604429), (26, 24556231), (47, 13584298), (91, 7016066), (94, 6792149), (101, 6321406), (182, 3508033), (202, 3160703), (329, 1940614), (611, 1044946), (658, 970307), (707, 903058), (739, 863954), (1222, 522473), (1313, 486262), (1414, 451529), (1478, 431977), (2626, 243131), (4277, 149278), (4747, 134498), (5173, 123422), (8554, 74639), (9191, 69466), (9494, 67249), (9607, 66458), (10346, 61711), (18382, 34733), (19214, 33229)]