217871936

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{1289}}^1$

素因数の和:1459

約数の個数: 56

約数和(自身を含む): 458724000

約数和(自身を除く): 240852064

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 139, 152, 278, 304, 556, 608, 1112, 1216, 1289, 2224, 2578, 2641, 4448, 5156, 5282, 8896, 10312, 10564, 20624, 21128, 24491, 41248, 42256, 48982, 82496, 84512, 97964, 169024, 179171, 195928, 358342, 391856, 716684, 783712, 1433368, 1567424, 2866736, 3404249, 5733472, 6808498, 11466944, 13616996, 27233992, 54467984, 108935968, 217871936]

約数ペア:

[(1, 217871936), (2, 108935968), (4, 54467984), (8, 27233992), (16, 13616996), (19, 11466944), (32, 6808498), (38, 5733472), (64, 3404249), (76, 2866736), (139, 1567424), (152, 1433368), (278, 783712), (304, 716684), (556, 391856), (608, 358342), (1112, 195928), (1216, 179171), (1289, 169024), (2224, 97964), (2578, 84512), (2641, 82496), (4448, 48982), (5156, 42256), (5282, 41248), (8896, 24491), (10312, 21128), (10564, 20624)]