253557556

素因数分解:

$2^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1439}}^1$

素因数の和:1517

約数の個数: 72

約数和(自身を含む): 551577600

約数和(自身を除く): 298020044

約数列:

[1, 2, 4, 7, 14, 28, 29, 31, 49, 58, 62, 98, 116, 124, 196, 203, 217, 406, 434, 812, 868, 899, 1421, 1439, 1519, 1798, 2842, 2878, 3038, 3596, 5684, 5756, 6076, 6293, 10073, 12586, 20146, 25172, 40292, 41731, 44051, 44609, 70511, 83462, 88102, 89218, 141022, 166924, 176204, 178436, 282044, 292117, 312263, 584234, 624526, 1168468, 1249052, 1293661, 2044819, 2185841, 2587322, 4089638, 4371682, 5174644, 8179276, 8743364, 9055627, 18111254, 36222508, 63389389, 126778778, 253557556]

約数ペア:

[(1, 253557556), (2, 126778778), (4, 63389389), (7, 36222508), (14, 18111254), (28, 9055627), (29, 8743364), (31, 8179276), (49, 5174644), (58, 4371682), (62, 4089638), (98, 2587322), (116, 2185841), (124, 2044819), (196, 1293661), (203, 1249052), (217, 1168468), (406, 624526), (434, 584234), (812, 312263), (868, 292117), (899, 282044), (1421, 178436), (1439, 176204), (1519, 166924), (1798, 141022), (2842, 89218), (2878, 88102), (3038, 83462), (3596, 70511), (5684, 44609), (5756, 44051), (6076, 41731), (6293, 40292), (10073, 25172), (12586, 20146)]