77872564

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1901}}^1$

素因数の和:1949

約数の個数: 72

約数和(自身を含む): 182135520

約数和(自身を除く): 104262956

約数列:

[1, 2, 4, 7, 11, 14, 19, 22, 28, 38, 44, 49, 76, 77, 98, 133, 154, 196, 209, 266, 308, 418, 532, 539, 836, 931, 1078, 1463, 1862, 1901, 2156, 2926, 3724, 3802, 5852, 7604, 10241, 13307, 20482, 20911, 26614, 36119, 40964, 41822, 53228, 72238, 83644, 93149, 144476, 146377, 186298, 252833, 292754, 372596, 397309, 505666, 585508, 794618, 1011332, 1024639, 1589236, 1769831, 2049278, 2781163, 3539662, 4098556, 5562326, 7079324, 11124652, 19468141, 38936282, 77872564]

約数ペア:

[(1, 77872564), (2, 38936282), (4, 19468141), (7, 11124652), (11, 7079324), (14, 5562326), (19, 4098556), (22, 3539662), (28, 2781163), (38, 2049278), (44, 1769831), (49, 1589236), (76, 1024639), (77, 1011332), (98, 794618), (133, 585508), (154, 505666), (196, 397309), (209, 372596), (266, 292754), (308, 252833), (418, 186298), (532, 146377), (539, 144476), (836, 93149), (931, 83644), (1078, 72238), (1463, 53228), (1862, 41822), (1901, 40964), (2156, 36119), (2926, 26614), (3724, 20911), (3802, 20482), (5852, 13307), (7604, 10241)]