1999578623

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{193}}^1\times {\mathrm{317}}^1$

素因数の和:576

約数の個数: 48

約数和(自身を含む): 2531839680

約数和(自身を除く): 532261057

約数列:

[1, 7, 23, 29, 49, 161, 193, 203, 317, 667, 1127, 1351, 1421, 2219, 4439, 4669, 5597, 7291, 9193, 9457, 15533, 31073, 32683, 39179, 51037, 61181, 64351, 128731, 211439, 217511, 274253, 357259, 428267, 450457, 901117, 1407163, 1480073, 1774249, 2997869, 6307819, 9850141, 10360511, 12419743, 40807727, 68950987, 86938201, 285654089, 1999578623]

約数ペア:

[(1, 1999578623), (7, 285654089), (23, 86938201), (29, 68950987), (49, 40807727), (161, 12419743), (193, 10360511), (203, 9850141), (317, 6307819), (667, 2997869), (1127, 1774249), (1351, 1480073), (1421, 1407163), (2219, 901117), (4439, 450457), (4669, 428267), (5597, 357259), (7291, 274253), (9193, 217511), (9457, 211439), (15533, 128731), (31073, 64351), (32683, 61181), (39179, 51037)]