253968988

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{317}}^1$

素因数の和:443

約数の個数: 96

約数和(自身を含む): 574414848

約数和(自身を除く): 320445860

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 52, 62, 71, 91, 124, 142, 182, 217, 284, 317, 364, 403, 434, 497, 634, 806, 868, 923, 994, 1268, 1612, 1846, 1988, 2201, 2219, 2821, 3692, 4121, 4402, 4438, 5642, 6461, 8242, 8804, 8876, 9827, 11284, 12922, 15407, 16484, 19654, 22507, 25844, 28613, 28847, 30814, 39308, 45014, 57226, 57694, 61628, 68789, 90028, 114452, 115388, 127751, 137578, 157549, 200291, 255502, 275156, 292591, 315098, 400582, 511004, 585182, 630196, 697717, 801164, 894257, 1170364, 1395434, 1788514, 2048137, 2790868, 3577028, 4096274, 4884019, 8192548, 9070321, 9768038, 18140642, 19536076, 36281284, 63492247, 126984494, 253968988]

約数ペア:

[(1, 253968988), (2, 126984494), (4, 63492247), (7, 36281284), (13, 19536076), (14, 18140642), (26, 9768038), (28, 9070321), (31, 8192548), (52, 4884019), (62, 4096274), (71, 3577028), (91, 2790868), (124, 2048137), (142, 1788514), (182, 1395434), (217, 1170364), (284, 894257), (317, 801164), (364, 697717), (403, 630196), (434, 585182), (497, 511004), (634, 400582), (806, 315098), (868, 292591), (923, 275156), (994, 255502), (1268, 200291), (1612, 157549), (1846, 137578), (1988, 127751), (2201, 115388), (2219, 114452), (2821, 90028), (3692, 68789), (4121, 61628), (4402, 57694), (4438, 57226), (5642, 45014), (6461, 39308), (8242, 30814), (8804, 28847), (8876, 28613), (9827, 25844), (11284, 22507), (12922, 19654), (15407, 16484)]