388991736

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{771809}}^1$

素因数の和:771828

約数の個数: 48

約数和(自身を含む): 1204023600

約数和(自身を除く): 815031864

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 252, 504, 771809, 1543618, 2315427, 3087236, 4630854, 5402663, 6174472, 6946281, 9261708, 10805326, 13892562, 16207989, 18523416, 21610652, 27785124, 32415978, 43221304, 48623967, 55570248, 64831956, 97247934, 129663912, 194495868, 388991736]

約数ペア:

[(1, 388991736), (2, 194495868), (3, 129663912), (4, 97247934), (6, 64831956), (7, 55570248), (8, 48623967), (9, 43221304), (12, 32415978), (14, 27785124), (18, 21610652), (21, 18523416), (24, 16207989), (28, 13892562), (36, 10805326), (42, 9261708), (56, 6946281), (63, 6174472), (72, 5402663), (84, 4630854), (126, 3087236), (168, 2315427), (252, 1543618), (504, 771809)]