1290392999

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{137}}^1\times {\mathrm{151}}^1$

素因数の和:388

約数の個数: 48

約数和(自身を含む): 1626059520

約数和(自身を除く): 335666521

約数列:

[1, 7, 19, 49, 67, 133, 137, 151, 469, 931, 959, 1057, 1273, 2603, 2869, 3283, 6713, 7399, 8911, 9179, 10117, 18221, 20083, 20687, 62377, 64253, 70819, 127547, 140581, 144809, 174401, 192223, 393053, 449771, 495733, 1013663, 1220807, 1345561, 1386029, 2751371, 8545649, 9418927, 9702203, 19259597, 26334551, 67915421, 184341857, 1290392999]

約数ペア:

[(1, 1290392999), (7, 184341857), (19, 67915421), (49, 26334551), (67, 19259597), (133, 9702203), (137, 9418927), (151, 8545649), (469, 2751371), (931, 1386029), (959, 1345561), (1057, 1220807), (1273, 1013663), (2603, 495733), (2869, 449771), (3283, 393053), (6713, 192223), (7399, 174401), (8911, 144809), (9179, 140581), (10117, 127547), (18221, 70819), (20083, 64253), (20687, 62377)]