421656172

素因数分解:

$2^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{2393}}^1$

素因数の和:2471

約数の個数: 72

約数和(自身を含む): 916997760

約数和(自身を除く): 495341588

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, 1519, 1798, 2393, 2842, 3038, 3596, 4786, 5684, 6076, 6293, 9572, 12586, 16751, 25172, 33502, 44051, 67004, 69397, 74183, 88102, 117257, 138794, 148366, 176204, 234514, 277588, 296732, 469028, 485779, 519281, 971558, 1038562, 1943116, 2077124, 2151307, 3400453, 3634967, 4302614, 6800906, 7269934, 8605228, 13601812, 14539868, 15059149, 30118298, 60236596, 105414043, 210828086, 421656172]

約数ペア:

[(1, 421656172), (2, 210828086), (4, 105414043), (7, 60236596), (14, 30118298), (28, 15059149), (29, 14539868), (31, 13601812), (49, 8605228), (58, 7269934), (62, 6800906), (98, 4302614), (116, 3634967), (124, 3400453), (196, 2151307), (203, 2077124), (217, 1943116), (406, 1038562), (434, 971558), (812, 519281), (868, 485779), (899, 469028), (1421, 296732), (1519, 277588), (1798, 234514), (2393, 176204), (2842, 148366), (3038, 138794), (3596, 117257), (4786, 88102), (5684, 74183), (6076, 69397), (6293, 67004), (9572, 44051), (12586, 33502), (16751, 25172)]