289762956

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{271}}^1\times {\mathrm{4243}}^1$

素因数の和:4531

約数の個数: 72

約数和(自身を含む): 840379904

約数和(自身を除く): 550616948

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 271, 542, 813, 1084, 1626, 1897, 2439, 3252, 3794, 4243, 4878, 5691, 7588, 8486, 9756, 11382, 12729, 16972, 17073, 22764, 25458, 29701, 34146, 38187, 50916, 59402, 68292, 76374, 89103, 118804, 152748, 178206, 267309, 356412, 534618, 1069236, 1149853, 2299706, 3449559, 4599412, 6899118, 8048971, 10348677, 13798236, 16097942, 20697354, 24146913, 32195884, 41394708, 48293826, 72440739, 96587652, 144881478, 289762956]

約数ペア:

[(1, 289762956), (2, 144881478), (3, 96587652), (4, 72440739), (6, 48293826), (7, 41394708), (9, 32195884), (12, 24146913), (14, 20697354), (18, 16097942), (21, 13798236), (28, 10348677), (36, 8048971), (42, 6899118), (63, 4599412), (84, 3449559), (126, 2299706), (252, 1149853), (271, 1069236), (542, 534618), (813, 356412), (1084, 267309), (1626, 178206), (1897, 152748), (2439, 118804), (3252, 89103), (3794, 76374), (4243, 68292), (4878, 59402), (5691, 50916), (7588, 38187), (8486, 34146), (9756, 29701), (11382, 25458), (12729, 22764), (16972, 17073)]